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在带有 \tilde{x} 的乳胶中,将 ~ 放在 x 上。
我怎么能放下〜放下x?

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The command \underset may help. tex.stackexchange.com would be another good place to ask, it's specialized in TeX and LaTeX.

于 2010-08-25T23:12:46.630 回答