LeftTeeArrow[x, y, ...] 显示为 .
LeftTeeVector RightTeeArrow DownTeeArrow
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.
默认情况下解释为 LeftTeeArrow[x, y].
可以通过 \[LeftTeeArrow]输入.
. 默认情况下解释为 LeftTeeArrow[x, y]. 可以通过 \[LeftTeeArrow]输入.