Master CAD drawing, knowledge chart, the 3 d modeling, curved surface has the certain basis;
熟练掌握CAD制图、识图，对三维建模、曲面有一定的基础；
Nickerson stresses that 3-d tissue modeling has opened the door to examining a variety of host-pathogen interactions that were previously difficult or impossible to study through conventional means.
Nickerson强调说三维培养模型为之前无法甚至不可能通过常规方法检测的宿主与病原体之间相互的作用方式成为可能。
An image combining orbital imagery with 3-d modeling shows flows of what scientists believe to be water that appear in spring and summer on a slope inside the Newton crater on Mars.
一个结合了3 - D轨道成像技术的图像展示出了科学家们推测的在春季和夏季火星牛顿陨石坑的陡坡上有水的出现。
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