Zero vector can have a lot of direction, but only one length.
零向量可以有很多方向，却只有一个长度。
Lying or extending across the length of a thing or in a cross direction.
横过某物的长度的，或与之成交叉方向的。
Through ct image analysis, the width, length and direction of crack are gained.
CT图像分析可以获得裂纹宽度、长度、方位等定量化参数。
The classical analysis technique for ocean wave length and direction is the spectrum analysis.
传统的波浪波长和方向分析技术是谱分析。
The classical analysis technique for ocean wave length and direction is the spectrum analysis.
传统的波浪波长和方向分析技术是谱分析。
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