定积分的数学符号怎么个读法 积分符号 ∫ 怎么读？
\u5b9a\u79ef\u5206\u7684\u6570\u5b66\u7b26\u53f7\u600e\u4e48\u4e2a\u8bfb\u6cd5\u8bfb\u6cd5\u5c31\u662f\uff1a\u6c42f(x)\u7531a\u5230b\u7684\u5b9a\u79ef\u5206
\u6216
\u6c42\u7531a\u5230b\uff0cf(x)\u7684\u5b9a\u79ef\u5206
\u82f1\u8bed\u5c31\u662f\uff1afind
the
values
of
the
integral
of
f(x)
from
a
to
b.
\u6216
evaluate
the
integral
of
f(x)
from
a
to
b.
\u6216
evaluate
the
integral
of
f(x)
with
respect
to
x
from
a
to
b.
\u5b9a\u79ef\u5206\u7b26\u53f7\u6211\u60ef\u7528\u4ee5\u4e0b\u51e0\u79cd\u6253\u6cd5\uff0c\u770b\u4f60\u559c\u6b22\u54ea\u79cd\u4e86\uff1a
\u222b(a~b)
f(x)
dx
\u222b(a\u2192b)
f(x)
dx
\u222b(a\u5230b)
f(x)
dx
\u222b(a\uff0cb)
f(x)
dx
\u222b
f(x)
dx\uff0ca\u2264x\u2264b
\u222b
f(x)
dx\uff0cx\u2208[a\uff0cb]
\u222b
f(x)
dx\uff0c\u8303\u56f4\u7531a\u5230b
\u222b
f(x)
dx\uff0c\u4e0b\u9650a\uff0c\u4e0a\u9650b
英语就是：Find the values of the integral of f(x) from a to b.
或 Evaluate the integral of f(x) from a to b.
或 Evaluate the integral of f(x) with respect to x from a to b.
定积分符号我惯用以下几种打法，看你喜欢哪种了：
∫(a~b) f(x) dx
∫(a→b) f(x) dx
∫(a到b) f(x) dx
∫(a，b) f(x) dx
∫ f(x) dx，a≤x≤b
∫ f(x) dx，x∈[a，b]
∫ f(x) dx，范围由a到b
∫ f(x) dx，下限a，上限b
积分号是莱布尼兹引入的，是拉丁语“ſumma”（求和）的头一个字母-------长S。
读作a到b的积分。
从a到b某函数的积分，太专业的没听过
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