oriented surface meaning in Chinese

有向曲面

It gives a relationship between a surface integral over an oriented surface and a line integral along a simple closed curve
它建立了有向曲面上的曲面积分与它的边界曲线积分的关系。
The application of assembly - oriented cad modeling technology in reverse engineering is also presented ; the assembly - oriented data measure method is put forward ; the assembly - oriented surface reconstruction technology is analyzed . with the project " the construction of digital mock - up for a mini - car " supported by an automobile corporation , ltd . and the project " the rapid development and variant design of some brand of motorcycle " supported by a motorcycle corporation , the author summarizes the experience of assembly modeling for digital prototyping , and provides sound proof for the viewpoints in the thesis
对覆盖件产品的装配模型进行了描述；提出了覆盖件装配建模的一般流程；详细研究了覆盖件的cad装配建模技术；对面向装配的cad建模技术在覆盖件产品反求设计中的应用进行了研究，介绍了产品覆盖件的反求流程，提出了基于装配的数据测量方法，分析了面向装配的曲面重构技术。