⨌
U+2A0C
,
&
#10764;
QUADRUPLE INTEGRAL OPERATOR
←
⨋
[U+2A0B]
追加數學運算子
⨍
→
[U+2A0D]
跨語言
符號
(
數學
)
四重
積分
(對四個變數的積分)
相關詞彙
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