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下表中的所有实体都能在所有的浏览器中正确地显示,包括 HTML4 和 HTML5 页面。

字符 实体 十进制 十六进制 描述
& & & & & 符号(ampersand)
< &lt; < < 小于号(less than)
> &gt; > > 大于号(greater than)
  &nbsp;     不换行空格(no-break space = non-breaking space)
¡ &iexcl; ¡ ¡ 倒置感叹号(inverted exclamation mark)
¢ &cent; ¢ ¢ 美分符号(cent sign)
£ &pound; £ £ 英镑符号(pound sign)
¤ &curren; ¤ ¤ 货币符号(currency sign)
¥ &yen; ¥ ¥ 日元符号(yen sign = yuan sign)
¦ &brvbar; ¦ ¦ 间断的竖杠(broken bar = broken vertical bar)
§ &sect; § § 小节号(section sign)
¨ &uml; ¨ ¨ 分音符号(diaeresis = spacing diaeresis)
© &copy; © © 版权所有(copyright sign)
ª &ordf; ª ª 阴性序数记号(feminine ordinal indicator)
« &laquo; « « 左双角引号(left-pointing double angle quotation mark = left pointing guillemet)
¬ &not; ¬ ¬ 否定符号(not sign)
­ &shy; ­ ­ 软连字符 = 自由选定连字符(soft hyphen = discretionary hyphen)
® &reg; ® ® 注册商标(registered sign = registered trade mark sign)
¯ &macr; ¯ ¯ 长音符号(macron = spacing macron = overline = APL overbar)
° &deg; ° ° 度符号(degree sign)
± &plusmn; ± ± 加减号/正负号(plus-minus sign = plus-or-minus sign)
² &sup2; ² ² 上标 2(superscript two = superscript digit two = squared)
³ &sup3; ³ ³ 上标 3(superscript three = superscript digit three = cubed)
´ &acute; ´ ´ 尖音符号(acute accent = spacing acute)
µ &micro; µ µ 微米符号(micro sign)
&para; 段落符号(pilcrow sign = paragraph sign)
· &middot; · · 中间点(middle dot = Georgian comma = Greek middle dot)
¸ &cedil; ¸ ¸ 变音符号(cedilla = spacing cedilla)
¹ &sup1; ¹ ¹ 上标 1(superscript one = superscript digit one)
º &ordm; º º 阳性序数记号((masculine ordinal indicator)
» &raquo; » » 右双角引号(right-pointing double angle quotation mark = right pointing guillemet)
¼ &frac14; ¼ ¼ 1/4 分数(vulgar fraction one quarter = fraction one quarter)
½ &frac12; ½ ½ 1/2 分数(vulgar fraction one half = fraction one half)
¾ &frac34; ¾ ¾ 3/4 分数(vulgar fraction three quarters = fraction three quarters)
¿ &iquest; ¿ ¿ 倒置问号(inverted question mark = turned question mark)
À &Agrave; À À 带有重音符号的拉丁文大写字母 A(latin capital letter A with grave = latin capital letter A grave)
Á &Aacute; Á Á 带有尖音符号的拉丁文大写字母 A(latin capital letter A with acute)
 &Acirc;   带有抑扬音符号的拉丁文大写字母 A(latin capital letter A with circumflex)
à &Atilde; à à 带有波浪线的拉丁文大写字母 A(latin capital letter A with tilde)
Ä &Auml; Ä Ä 带有分音符的拉丁文大写字母 A(latin capital letter A with diaeresis)
Å &Aring; Å Å 带有上圆圈的拉丁文大写字母 A(latin capital letter A with ring above = latin capital letter A ring)
Æ &AElig; Æ Æ 拉丁文大写字母 AE(latin capital letter AE = latin capital ligature AE)
Ç &Ccedil; Ç Ç 带有变音符号的拉丁文大写字母 C(latin capital letter C with cedilla)
È &Egrave; È È 带有重音符号的拉丁文大写字母 E(latin capital letter E with grave)
É &Eacute; É É 带有尖音符号的拉丁文大写字母 E(latin capital letter E with acute)
Ê &Ecirc; Ê Ê 带有抑扬符号的拉丁文大写字母 E(latin capital letter E with circumflex)
Ë &Euml; Ë Ë 带有分音符的拉丁文大写字母 E(latin capital letter E with diaeresis)
Ì &Igrave; Ì Ì 带有重音符号的拉丁文大写字母 I(latin capital letter I with grave)
Í &Iacute; Í Í 带有尖音符号的拉丁文大写字母 I(latin capital letter I with acute)
Î &Icirc; Î Î 带有抑扬音符号的拉丁文大写字母 I(latin capital letter I with circumflex)
Ï &Iuml; Ï Ï 带有分音符的拉丁文大写字母 I(latin capital letter I with diaeresis)
Ð &ETH; Ð Ð 拉丁文大写字母 ETH(latin capital letter ETH)
Ñ &Ntilde; Ñ Ñ 带有波浪线的拉丁文大写字母 N(latin capital letter N with tilde)
Ò &Ograve; Ò Ò 带有重音符号的拉丁文大写字母 O(latin capital letter O with grave)
Ó &Oacute; Ó Ó 带有尖音符号的拉丁文大写字母 O(latin capital letter O with acute)
Ô &Ocirc; Ô Ô 带有抑扬音符号的拉丁文大写字母 O(latin capital letter O with circumflex)
Õ &Otilde; Õ Õ 带有波浪线的拉丁文大写字母 O(latin capital letter O with tilde)
Ö &Ouml; Ö Ö 带有分音符的拉丁文大写字母 O(latin capital letter O with diaeresis)
× &times; × × 乘号(multiplication sign)
Ø &Oslash; Ø Ø 带有删除线的拉丁文大写字母 O(latin capital letter O with stroke = latin capital letter O slash)
Ù &Ugrave; Ù Ù 带有重音符号的拉丁文大写字母 U(latin capital letter U with grave)
Ú &Uacute; Ú Ú 带有尖音符号的拉丁文大写字母 U(latin capital letter U with acute)
Û &Ucirc; Û Û 带有抑扬音符号的拉丁文大写字母 U(latin capital letter U with circumflex)
Ü &Uuml; Ü Ü 带有分音符的拉丁文大写字母 U(latin capital letter U with diaeresis)
Ý &Yacute; Ý Ý 带有尖音符号的拉丁文大写字母 Y(latin capital letter Y with acute)
Þ &THORN; Þ Þ 拉丁文大写字母 THORN(latin capital letter THORN)
ß &szlig; ß ß 拉丁文小写字母 sharp s(latin small letter sharp s = ess-zed)
à &agrave; à à 带有重音符号的拉丁文小写字母 a(latin small letter a with grave = latin small letter a grave)
á &aacute; á á 带有尖音符号的拉丁文小写字母 a(latin small letter a with acute)
â &acirc; â â 带有抑扬音符号的拉丁文小写字母 a(latin small letter a with circumflex)
ã &atilde; ã ã 带有波浪线的拉丁文小写字母 a(latin small letter a with tilde)
ä &auml; ä ä 带有分音符的拉丁文小写字母 a(latin small letter a with diaeresis)
å &aring; å å 带有上圆圈的拉丁文小写字母 a(latin small letter a with ring above = latin small letter a ring)
æ &aelig; æ æ 拉丁文小写字母 ae(latin small letter ae = latin small ligature ae)
ç &ccedil; ç ç 带有变音符号的拉丁文小写字母 c(latin small letter c with cedilla)
è &egrave; è è 带有重音符号的拉丁文小写字母 e(latin small letter e with grave)
é &eacute; é é 带有尖音符号的拉丁文小写字母 e(latin small letter e with acute)
ê &ecirc; ê ê 带有抑扬音符号的拉丁文小写字母 e(latin small letter e with circumflex)
ë &euml; ë ë 带有分音符的拉丁文小写字母 e(latin small letter e with diaeresis)
ì &igrave; ì ì 带有重音符号的拉丁文小写字母 i(latin small letter i with grave)
í &iacute; í í 带有尖音符号的拉丁文小写字母 i(latin small letter i with acute)
î &icirc; î î 带有抑扬音符号的拉丁文小写字母 i(latin small letter i with circumflex)
ï &iuml; ï ï 带有分音符的拉丁文小写字母 i(latin small letter i with diaeresis)
ð &eth; ð ð 拉丁文小写字母 eth(latin small letter eth)
ñ &ntilde; ñ ñ 带有波浪线的拉丁文小写字母 n(latin small letter n with tilde)
ò &ograve; ò ò 带有重音符号的拉丁文小写字母 o(latin small letter o with grave)
ó &oacute; ó ó 带有尖音符号的拉丁文小写字母 o(latin small letter o with acute)
ô &ocirc; ô ô 带有抑扬音符号的拉丁文小写字母 o(latin small letter o with circumflex)
õ &otilde; õ õ 带有波浪线的拉丁文小写字母 o(latin small letter o with tilde)
ö &ouml; ö ö 带有分音符的拉丁文小写字母 o(latin small letter o with diaeresis)
÷ &divide; ÷ ÷ 除号(division sign)
ø &oslash; ø ø 带有删除线的拉丁文小写字母 o(latin small letter o with stroke = latin small letter o slash)
ù &ugrave; ù ù 带有重音符号的拉丁文小写字母 u(latin small letter u with grave)
ú &uacute; ú ú 带有尖音符号的拉丁文小写字母 u(latin small letter u with acute)
û &ucirc; û û 带有抑扬音符号的拉丁文小写字母 u(latin small letter u with circumflex)
ü &uuml; ü ü 带有分音符的拉丁文小写字母 u(latin small letter u with diaeresis)
ý &yacute; ý ý 带有尖音符号的拉丁文小写字母 y(latin small letter y with acute)
þ &thorn; þ þ 拉丁文小写字母 thorn(latin small letter thorn)
ÿ &yuml; ÿ ÿ 带有分音符的拉丁文小写字母 y(latin small letter y with diaeresis)
ƒ &fnof; ƒ ƒ 带钩的拉丁文小写 f(latin small f with hook = function = florin)
Α &Alpha; Α Α 希腊大写字母 alpha
Β &Beta; Β Β 希腊大写字母 beta
Γ &Gamma; Γ Γ 希腊大写字母 gamma
Δ &Delta; Δ Δ 希腊大写字母 delta
Ε &Epsilon; Ε Ε 希腊大写字母 epsilon
Ζ &Zeta; Ζ Ζ 希腊大写字母 zeta
Η &Eta; Η Η 希腊大写字母 eta
Θ &Theta; Θ Θ 希腊大写字母 theta
Ι &Iota; Ι Ι 希腊大写字母 iota
Κ &Kappa; Κ Κ 希腊大写字母 kappa
Λ &Lambda; Λ Λ 希腊大写字母 lambda
Μ &Mu; Μ Μ 希腊大写字母 mu
Ν &Nu; Ν Ν 希腊大写字母 nu
Ξ &Xi; Ξ Ξ 希腊大写字母 xi
Ο &Omicron; Ο Ο 希腊大写字母 omicron
Π &Pi; Π Π 希腊大写字母 pi
Ρ &Rho; Ρ Ρ 希腊大写字母 rho
Σ &Sigma; Σ Σ 希腊大写字母 sigma
Τ &Tau; Τ Τ 希腊大写字母 tau
Υ &Upsilon; Υ Υ 希腊大写字母 upsilon
Φ &Phi; Φ Φ 希腊大写字母 phi
Χ &Chi; Χ Χ 希腊大写字母 chi
Ψ &Psi; Ψ Ψ 希腊大写字母 psi
Ω &Omega; Ω Ω 希腊大写字母 omega
α &alpha; α α 希腊小写字母 alpha
β &beta; β β 希腊小写字母 beta
γ &gamma; γ γ 希腊小写字母 gamma
δ &delta; δ δ 希腊小写字母 delta
ε &epsilon; ε ε 希腊小写字母 epsilon
ζ &zeta; ζ ζ 希腊小写字母 zeta
η &eta; η η 希腊小写字母 eta
θ &theta; θ θ 希腊小写字母 theta
ι &iota; ι ι 希腊小写字母 iota
κ &kappa; κ κ 希腊小写字母 kappa
λ &lambda; λ λ 希腊小写字母 lambda
μ &mu; μ μ 希腊小写字母 mu
ν &nu; ν ν 希腊小写字母 nu
ξ &xi; ξ ξ 希腊小写字母 xi
ο &omicron; ο ο 希腊小写字母 omicron
π &pi; π π 希腊小写字母 pi
ρ &rho; ρ ρ 希腊小写字母 rho
ς &sigmaf; ς ς 希腊小写字母 final sigma
σ &sigma; σ σ 希腊小写字母 sigma
τ &tau; τ τ 希腊小写字母 tau
υ &upsilon; υ υ 希腊小写字母 upsilon
φ &phi; φ φ 希腊小写字母 phi
χ &chi; χ χ 希腊小写字母 chi
ψ &psi; ψ ψ 希腊小写字母 psi
ω &omega; ω ω 希腊小写字母 omega
ϑ &thetasym; ϑ ϑ 希腊小写字母 theta symbol
ϒ &upsih; ϒ ϒ 带有钩的希腊 upsilon 符号(Greek upsilon with hook symbol)
ϖ &piv; ϖ ϖ 希腊 pi 符号(Greek pi symbol)


特殊符号

字符 实体 十进制 十六进制 描述
&bull; 着重号 = 黑色小圆点(bullet = black small circle)
&hellip; 水平省略号(horizontal ellipsis = three dot leader)
&prime; 素数 = 分钟 = 英尺(prime = minutes = feet)
&Prime; 双素数 = 秒 = 英寸(double prime = seconds = inches)
&oline; 上划线(overline = spacing overscore)
&frasl; 分数斜线(fraction slash)
&weierp; 脚本大写 P = 幂集(script capital P = power set = Weierstrass p)
&image; 黑体字大写 I = 虚部符号(blackletter capital I = imaginary part)
&real; 黑体字大写 R = 实部符号(blackletter capital R = real part symbol)
&trade; 商标(trade mark sign)
&alefsym; alef 符号 = 第一超限(alef symbol = first transfinite cardinal)
&larr; 向左的箭头(leftwards arrow)
&uarr; 向上的箭头(upwards arrow)
&rarr; 向右的箭头(rightwards arrow)
&darr; 向下的箭头(downwards arrow)
&harr; 向左和向右的箭头(left right arrow)
&crarr; 带左转的向下箭头 = 回车(downwards arrow with corner leftwards = carriage return)
&lArr; 向左的双箭头(leftwards double arrow)
&uArr; 向上的双箭头(upwards double arrow)
&rArr; 向右的双箭头(rightwards double arrow)
&dArr; 向下的双箭头(downwards double arrow)
&hArr; 向左和向右的双箭头(left right double arrow)
&forall; 所有(for all)
&part; 偏微分(partial differential)
&exist; 存在(there exists)
&empty; 空集 = 直径(empty set = null set = diameter)
&nabla; 倒三角 = 向后差分(nabla = backward difference)
&isin; 属于(element of)
&notin; 不属于(not an element of)
&ni; 包含的成员(contains as member)
&prod; 求积(n-ary product = product sign)
&sum; 求和(n-ary sumation)
&minus; 减号(minus sign)
&lowast; 星号运算符(asterisk operator)
&radic; 平方根 = 根号(square root = radical sign)
&prop; 成比例(proportional to)
&infin; 无穷(infinity)
&ang; 角(angle)
&and; 逻辑与(logical and = wedge)
&or; 逻辑或(logical or = vee)
&cap; 交集 = 帽(intersection = cap)
&cup; 并集 = 杯(union = cup)
&int; 积分(integral)
&there4; 所以(therefore)
&sim; 波浪运算符 = 相似(tilde operator = varies with = similar to)
&cong; 约等于(approximately equal to)
&asymp; 几乎等于 = 渐近(almost equal to = asymptotic to)
&ne; 不等于(not equal to)
&equiv; 恒等于(identical to)
&le; 小于或等于(less-than or equal to)
&ge; 大于或等于(greater-than or equal to)
&sub; 子集(subset of)
&sup; 超集(superset of)
&nsub; 非子集(not a subset of)
&sube; 子集或等于(subset of or equal to)
&supe; 超集或等于(superset of or equal to)
&oplus; 带圈的加号 = 直和(circled plus = direct sum)
&otimes; 带圈的乘号 = 矢量积(circled times = vector product)
&perp; 向上的钉子 = 正交于 = 垂直(up tack = orthogonal to = perpendicular)
&sdot; 点运算符(dot operator)
&lceil; 左天花板(left ceiling = APL upstile)
&rceil; 右天花板(right ceiling)
&lfloor; 左地板(left floor = APL downstile)
&rfloor; 右地板(right floor)
&lang; 向左的角括号(left-pointing angle bracket = bra)
&rang; 向右的角括号(right-pointing angle bracket = ket)
&loz; 菱形(lozenge)
&spades; 黑桃(black spade suit)
&clubs; 黑梅花(black club suit = shamrock)
&hearts; 黑心(black heart suit = valentine)
&diams; 黑方块(black diamond suit)