另一方面，在所谓垂直投影(也叫规格化正交投影)中，你是从一个方向上进行观察，而不是一个观察点。
In an orthographic projection, also called "orthonormal", on the other hand, you have a viewing direction but not a viewing point o.
在正交偏光显微镜（PLM）和扫描电镜（SEM）下观察了不同结晶条件下PA1010/6共聚物结晶及球晶形态。
The spherulite morphology of PA1010/6 crystallizing at different conditions was studied by PLM and SEM.
方法：采用正交试验设计，观察安定对敌敌畏和氧乐果中毒小鼠存活时间、震颤时间、翻正反射消失时间的影响。
Methods: By orthogonal experiment design, the time of survival, of beginning tremor, of losing righting reflex were observed in mice exposed to Dedevap, Omethoate.
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