predesign meaning in English
初步设计,草图设计
概略设计，草图设计
预设计
Examples
- Firstly , the predesign is carried out by use of the conventional analysis , and then the acceleration curve of the cam driven component is processed and revised discretely according to the requirements of dynamics performance . . the design equation based on a refined finite - difference algorithm is established and the calculating process is realized by the computer programs . consequently , the cam profile with good performance can be attained
该方法先用常规解析法作初步设计，根据动力性要求对从动件加速度曲线进行离散化处理和修正，再用有限差分法建立凸轮型线的设计方程式，通过计算机程序进行计算求解，因而可以获得优良性能要求的凸轮型线。