系统掌握装配图的绘制和阅读的一般方法和步骤。
Systematically master general methods and steps of plotting and reading assembly drawings.
建筑师正在绘制新办公楼的设计图。
两张平面图是按同一比例绘制的。
And then, what they did is they made a map of where the particles scattered once they struck the screen.
他们做的是,绘制粒子每次散射位置的图,每当他们撞击屏幕的时候。
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