HTML 特殊符号编码对照表(2)

字符实体十进制十六进制描述
•••着重号 = 黑色小圆点(bullet = black small circle)
………水平省略号(horizontal ellipsis = three dot leader)
′′′素数 = 分钟 = 英尺(prime = minutes = feet)
″″″双素数 = 秒 = 英寸(double prime = seconds = inches)
‾‾‾上划线(overline = spacing overscore)
⁄⁄⁄分数斜线(fraction slash)
℘℘℘脚本大写 P = 幂集(script capital P = power set = Weierstrass p)
ℑℑℑ黑体字大写 I = 虚部符号(blackletter capital I = imaginary part)
ℜℜℜ黑体字大写 R = 实部符号(blackletter capital R = real part symbol)
™™™商标(trade mark sign)
ℵℵℵalef 符号 = 第一超限(alef symbol = first transfinite cardinal)
←←←向左的箭头(leftwards arrow)
↑↑↑向上的箭头(upwards arrow)
→→→向右的箭头(rightwards arrow)
↓↓↓向下的箭头(downwards arrow)
↔↔↔向左和向右的箭头(left right arrow)
↵↵↵带左转的向下箭头 = 回车(downwards arrow with corner leftwards = carriage return)
⇐⇐⇐向左的双箭头(leftwards double arrow)
⇑⇑⇑向上的双箭头(upwards double arrow)
⇒⇒⇒向右的双箭头(rightwards double arrow)
⇓⇓⇓向下的双箭头(downwards double arrow)
⇔⇔⇔向左和向右的双箭头(left right double arrow)
∀∀∀所有(for all)
∂∂∂偏微分(partial differential)
∃∃∃存在(there exists)
∅∅∅空集 = 直径(empty set = null set = diameter)
∇∇∇倒三角 = 向后差分(nabla = backward difference)
∈∈∈属于(element of)
∉∉∉不属于(not an element of)
∋∋∋包含的成员(contains as member)
∏∏∏求积(n-ary product = product sign)
∑∑∑求和(n-ary sumation)
−−−减号(minus sign)
∗∗∗星号运算符(asterisk operator)
√√√平方根 = 根号(square root = radical sign)
∝∝∝成比例(proportional to)
∞∞∞无穷(infinity)
∠∠∠角(angle)
∧∧∧逻辑与(logical and = wedge)
∨∨∨逻辑或(logical or = vee)
∩∩∩交集 = 帽(intersection = cap)
∪∪∪并集 = 杯(union = cup)
∫∫∫积分(integral)
∴∴∴所以(therefore)
∼∼∼波浪运算符 = 相似(tilde operator = varies with = similar to)
≅≅≅约等于(approximately equal to)
≈≈≈几乎等于 = 渐近(almost equal to = asymptotic to)
≠≠≠不等于(not equal to)
≡≡≡恒等于(identical to)
≤≤≤小于或等于(less-than or equal to)
≥≥≥大于或等于(greater-than or equal to)
⊂⊂⊂子集(subset of)
⊃⊃⊃超集(superset of)
⊄⊄⊄非子集(not a subset of)
⊆⊆⊆子集或等于(subset of or equal to)
⊇⊇⊇超集或等于(superset of or equal to)
⊕⊕⊕带圈的加号 = 直和(circled plus = direct sum)
⊗⊗⊗带圈的乘号 = 矢量积(circled times = vector product)
⊥⊥⊥向上的钉子 = 正交于 = 垂直(up tack = orthogonal to = perpendicular)
⋅⋅⋅点运算符(dot operator)
⌈⌈⌈左天花板(left ceiling = APL upstile)
⌉⌉⌉右天花板(right ceiling)
⌊⌊⌊左地板(left floor = APL downstile)
⌋⌋⌋右地板(right floor)
⟨〈〈向左的角括号(left-pointing angle bracket = bra)
⟩〉〉向右的角括号(right-pointing angle bracket = ket)
◊◊◊菱形(lozenge)
♠♠♠黑桃(black spade suit)
♣♣♣黑梅花(black club suit = shamrock)
♥♥♥黑心(black heart suit = valentine)
♦♦♦黑方块(black diamond suit)

未经允许不得转载:特殊符号大全 » HTML 特殊符号编码对照表(2)

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