怎么从语图中看出vot是正值还是负值？vot在语图中怎么标和看呢？谢谢
如果除阻后元音不能立即跟上,而有一点静止段,语图上显示为乱纹之后,共振峰之前有一个空白段,无横杠出现,VOT为正值。当塞音为清辅音时,VOT为正值，参考
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