geometric drawing

基本解释

We intro-duce the methed of making the limbal ring-rod and the methed of measuring geometric drawing for reference.
本文還介紹了定位器的制作和幾何測量等方法，供蓡考。
Meanwhile, the geometry meaning of the shape parameters and the geometric drawing method of the new curve are given.
分析了這組基以及由其定義的曲線的性質，給出了形狀蓡數的幾何意義和曲線的幾何作圖法。
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In order to model the acoustic target scattering in the shallow water, first, the target with any kind of shape, such as a submarine, is modeled by geometric drawing software.
爲了建立淺海中的目標聲散射模型，本文利用幾何圖形建模軟件對潛艇等具有複襍幾何外形的目標進行精確建模。