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      HTML 特殊符号 / 实体参考手册

      HTML 符号实体参考手册


      HTML 符号实体

      本字符实体参考手册包括了数学符号、希腊字符、各种箭头记号、科技符号以及形状。

      注释: 实体名称对大小写敏感。


      HTML 支持的数学符号

      字符实体编号实体名称描述
      ∀∀for all
      ∂∂part
      ∃∃exists
      ∅∅empty
      ∇∇nabla
      ∈∈isin
      ∉∉notin
      ∋∋ni
      ∏∏prod
      ∑∑sum
      −−minus
      ∗∗lowast
      √√square root
      ∝∝proportional to
      ∞∞infinity
      ∠∠angle
      ∧∧and
      ∨∨or
      ∩∩cap
      ∪∪cup
      ∫∫integral
      ∴∴therefore
      ∼∼similar to
      ≅≅congruent to
      ≈≈almost equal
      ≠≠not equal
      ≡≡equivalent
      ≤≤less or equal
      ≥≥greater or equal
      ⊂⊂subset of
      ⊃⊃superset of
      ⊄⊄not subset of
      ⊆⊆subset or equal
      ⊇⊇superset or equal
      ⊕⊕circled plus
      ⊗⊗circled times
      ⊥⊥perpendicular
      ⋅⋅dot operator

      HTML 支持的希腊字母

      <tr>
        <td>&nbsp;</td>
        <td>&nbsp;</td>
        <td>&nbsp;</td>
        <td>&nbsp;</td>
      </tr>
      
      <tr>
        <td>α</td>
        <td>&amp;#945;</td>
        <td>&amp;alpha;</td>
        <td>alpha</td>
      </tr>
      <tr>
        <td>β</td>
        <td>&amp;#946;</td>
        <td>&amp;beta;</td>
        <td>beta</td>
      </tr>
      <tr>
        <td>γ</td>
        <td>&amp;#947;</td>
        <td>&amp;gamma;</td>
        <td>gamma</td>
      </tr>
      <tr>
        <td>δ</td>
        <td>&amp;#948;</td>
        <td>&amp;delta;</td>
        <td>delta</td>
      </tr>
      <tr>
        <td>ε</td>
        <td>&amp;#949;</td>
        <td>&amp;epsilon;</td>
        <td>epsilon</td>
      </tr>
      <tr>
        <td>ζ</td>
        <td>&amp;#950;</td>
        <td>&amp;zeta;</td>
        <td>zeta</td>
      </tr>
      <tr>
        <td>η</td>
        <td>&amp;#951;</td>
        <td>&amp;eta;</td>
        <td>eta</td>
      </tr>
      <tr>
        <td>θ</td>
        <td>&amp;#952;</td>
        <td>&amp;theta;</td>
        <td>theta</td>
      </tr>
      <tr>
        <td>ι</td>
        <td>&amp;#953;</td>
        <td>&amp;iota;</td>
        <td>iota</td>
      </tr>
      <tr>
        <td>κ</td>
        <td>&amp;#954;</td>
        <td>&amp;kappa;</td>
        <td>kappa</td>
      </tr>
      <tr>
        <td>λ</td>
        <td>&amp;#955;</td>
        <td>&amp;lambda;</td>
        <td>lambda</td>
      </tr>
      <tr>
        <td>μ</td>
        <td>&amp;#956;</td>
        <td>&amp;mu;</td>
        <td>mu</td>
      </tr>
      <tr>
        <td>ν</td>
        <td>&amp;#957;</td>
        <td>&amp;nu;</td>
        <td>nu</td>
      </tr>
      <tr>
        <td>ξ</td>
        <td>&amp;#958;</td>
        <td>&amp;xi;</td>
        <td>xi</td>
      </tr>
      <tr>
        <td>ο</td>
        <td>&amp;#959;</td>
        <td>&amp;omicron;</td>
        <td>omicron</td>
      </tr>
      <tr>
        <td>π</td>
        <td>&amp;#960;</td>
        <td>&amp;pi;</td>
        <td>pi</td>
      </tr>
      <tr>
        <td>ρ</td>
        <td>&amp;#961;</td>
        <td>&amp;rho;</td>
        <td>rho</td>
      </tr>
      <tr>
        <td>ς</td>
        <td>&amp;#962;</td>
        <td>&amp;sigmaf;</td>
        <td>sigmaf</td>
      </tr>
      <tr>
        <td>σ</td>
        <td>&amp;#963;</td>
        <td>&amp;sigma;</td>
        <td>sigma</td>
      </tr>
      <tr>
        <td>τ</td>
        <td>&amp;#964;</td>
        <td>&amp;tau;</td>
        <td>tau</td>
      </tr>
      <tr>
        <td>υ</td>
        <td>&amp;#965;</td>
        <td>&amp;upsilon;</td>
        <td>upsilon</td>
      </tr>
      <tr>
        <td>φ</td>
        <td>&amp;#966;</td>
        <td>&amp;phi;</td>
        <td>phi</td>
      </tr>
      <tr>
        <td>χ</td>
        <td>&amp;#967;</td>
        <td>&amp;chi;</td>
        <td>chi</td>
      </tr>
      <tr>
        <td>ψ</td>
        <td>&amp;#968;</td>
        <td>&amp;psi;</td>
        <td>psi</td>
      </tr>
      <tr>
        <td>ω</td>
        <td>&amp;#969;</td>
        <td>&amp;omega;</td>
        <td>omega</td>
      </tr>
      <tr>
        <td>&nbsp;</td>
        <td>&nbsp;</td>
        <td>&nbsp;</td>
        <td>&nbsp;</td>
      </tr>
      <tr>
        <td>ϑ</td>
        <td>&amp;#977;</td>
        <td>&amp;thetasym;</td>
        <td>theta symbol</td>
      </tr>
      <tr>
        <td>ϒ</td>
        <td>&amp;#978;</td>
        <td>&amp;upsih;</td>
        <td>upsilon symbol</td>
      </tr>
      <tr>
        <td>ϖ</td>
        <td>&amp;#982;</td>
        <td>&amp;piv;</td>
        <td>pi symbol</td>
      </tr>
      
      字符实体编号实体名称描述
      Α&#913;&Alpha;Alpha
      Β&#914;&Beta;Beta
      Γ&#915;&Gamma;Gamma
      Δ&#916;&Delta;Delta
      Ε&#917;&Epsilon;Epsilon
      Ζ&#918;&Zeta;Zeta
      Η&#919;&Eta;Eta
      Θ&#920;&Theta;Theta
      Ι&#921;&Iota;Iota
      Κ&#922;&Kappa;Kappa
      Λ&#923;&Lambda;Lambda
      Μ&#924;&Mu;Mu
      Ν&#925;&Nu;Nu
      Ξ&#926;&Xi;Xi
      Ο&#927;&Omicron;Omicron
      Π&#928;&Pi;Pi
      Ρ&#929;&Rho;Rho
       undefined Sigmaf
      Σ&#931;&Sigma;Sigma
      Τ&#932;&Tau;Tau
      Υ&#933;&Upsilon;Upsilon
      Φ&#934;&Phi;Phi
      Χ&#935;&Chi;Chi
      Ψ&#936;&Psi;Psi
      Ω&#937;&Omega;Omega

      HTML 支持的其他实体

      字符实体编号实体名称描述
      Œ&#338;&OElig;capital ligature OE
      œ&#339;&oelig;small ligature oe
      Š&#352;&Scaron;capital S with caron
      š&#353;&scaron;small S with caron
      Ÿ&#376;&Yuml;capital Y with diaeres
      ƒ&#402;&fnof;f with hook
      ˆ&#710;&circ;modifier letter circumflex accent
      ˜&#732;&tilde;small tilde
      &#8194;&ensp;en space
      &#8195;&emsp;em space
      &#8201;&thinsp;thin space
      &#8204;&zwnj;zero width non-joiner
      &#8205;&zwj;zero width joiner
      &#8206;&lrm;left-to-right mark
      &#8207;&rlm;right-to-left mark
      &#8211;&ndash;en dash
      &#8212;&mdash;em dash
      '&#8216;&lsquo;left single quotation mark
      '&#8217;&rsquo;right single quotation mark
      &#8218;&sbquo;single low-9 quotation mark
      "&#8220;&ldquo;left double quotation mark
      "&#8221;&rdquo;right double quotation mark
      &#8222;&bdquo;double low-9 quotation mark
      &#8224;&dagger;dagger
      &#8225;&Dagger;double dagger
      &#8226;&bull;bullet
      &#8230;&hellip;horizontal ellipsis
      &#8240;&permil;per mille 
      &#8242;&prime;minutes
      &#8243;&Prime;seconds
      &#8249;&lsaquo;single left angle quotation
      &#8250;&rsaquo;single right angle quotation
      &#8254;&oline;overline
      &#8364;&euro;euro
      &#8482; or &#153;&trade;trademark
      &#8592;&larr;left arrow
      &#8593;&uarr;up arrow
      &#8594;&rarr;right arrow
      &#8595;&darr;down arrow
      &#8596;&harr;left right arrow
      &#8629;&crarr;carriage return arrow
      &#8968;&lceil;left ceiling
      &#8969;&rceil;right ceiling
      &#8970;&lfloor;left floor
      &#8971;&rfloor;right floor
      &#9674;&loz;lozenge
      &#9824;&spades;spade
      &#9827;&clubs;club
      &#9829;&hearts;heart
      &#9830;&diams;diamond
      目录
      目录