应使用国际单位制所规定的物理量的单位和对应的符号。
Units of physical quantites and their symbols shall be those of the international standardized system.
残余应力的符号和大小在很大程度上取决于钢管在拔制工具中的初始变形率。
The magnitude and symbol of the residual stress greatly depends on the initial deformation rate of the pipe under drawing with the working tools.
作为二维条码的一种，矩阵式的二维条码是建立在计算机图像处理技术、组合编码原理等基础上的一种图形符号自动识读处理码制。
Based on digital image processing and combined coding theory, two-dimensional matrix bar code is a symbol system processed automatically using image recognition technology.
应用推荐