... undulating monocline 波状单斜层 undulating motion 波状运动 undulating movement 波形运动; 起伏动作 ...
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波浪/波状运动恐惧症 cymophobia
波动是地质作用的基本形式之一，地壳的波状运动和变形是客观存在的。
Undulation is one of the fundamental models of the geological effect, the undulation motion and variation in shape of earth crust is an geologic facts.
本课题根据啮合同向双螺杆啮合原理及螺杆运动关系，将波状螺杆结构应用到双螺杆挤出机中，设计了一种波状双螺杆元件。
A wave twin screw element was designed on the basis of meshing theory and motion relation for co-rotating twin screw extruder by introducing wave screw structure in this paper.
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