DoubleLeftArrow
DoubleLeftArrow[x,y,…]
显示为 x⇐y⇐….
更多信息
- DoubleLeftArrow[x,y,…] 无内在意义.
- x⇐y 默认情况下解释为 DoubleLeftArrow[x,y].
- ⇐ 可以通过 \[DoubleLeftArrow]或 ␣<= 输入.
- <= 是 \[LessEqual] 的别名. \[DoubleLeftArrow] 的别名在开始处有一个空格.
范例
基本范例 (1)
Wolfram Research (1996),DoubleLeftArrow,Wolfram 语言函数,https://reference.wolfram.com/language/ref/DoubleLeftArrow.html.
文本
Wolfram Research (1996),DoubleLeftArrow,Wolfram 语言函数,https://reference.wolfram.com/language/ref/DoubleLeftArrow.html.
CMS
Wolfram 语言. 1996. "DoubleLeftArrow." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/ref/DoubleLeftArrow.html.
APA
Wolfram 语言. (1996). DoubleLeftArrow. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/ref/DoubleLeftArrow.html 年