看动画学单词 第543期:plane
日期:2015-12-16 17:37
(单词翻译:单击)
plane
[英]
解释:
平面;飞机
The quantities ba β are the covariant components of a plane tensor, called the curvature tensor of the surface.
baβ是“平面张量”的协变分量,叫做该曲面的曲率张量。
Travel food: what 's your go-to snack for a long day of meetings or long plane ride?
旅行食物:如果要开一天会或需要长途飞机旅行,您会准备哪些最喜欢的小食品?
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