vector length造句

例句与造句

1. During the calculation of crystallography , we always need to make some calculation such as vector length , angle between vectors or planes etc . this is a group of scilab functions which can make some common calculation
   晶体学计算过程中经常需要计算矢量长度、矢量夹角等。此scilab工具箱提供了一组适用于任何晶体结构的函数，可以在输入晶格常数的前提下，计算一些常用的晶体学数据。
2. It's difficult to find vector length in a sentence. 用vector length造句挺难的