This paper deals with the design precept and plane linear design of the simple interchange of the first-grade highway.
本文研究了一级公路简易互通立交的设计方案和平面线形设计，平面设计的解算是在PC—E500袖珍计算机上完成的。
This paper can establish all the possible the third view by means of logistic reasoning of linear and plane perspective analysis and get the subjects shape design through computer.
本文通过线面投影分析的逻辑推理可求出所有可能的第三视图，并且可以通过计算机完成其造型设计。
Some studies in design, advanced development, experiment for the steel-secondary plane linear induction motor were made.
对钢次级平面型直线异步电动机进行了设计、试制和试验。
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