pitching rotation

基本解释

The flapping-wing motion for most insects consists of plunging translation and pitching rotation.
大多数昆虫的拍翼运动由平动挥拍与俯仰旋转动组合而成。
The first is simply called translational correction of focal plane, the second is called pitching rotation correction.
前者简称为焦平面平移改正法，后者可称为俯仰旋转改正法。
To incorporate the important effects of the rotor wake and account for the rigid blade motions in rotation, flapping and pitching, a moving embedded grids methodology has been adopted.
为充分考虑旋翼尾迹对流场的影响和计入桨叶的旋转、挥舞、变距运动，发展了一种运动嵌套网格。

With the additions of Zack Greinke and Shaun Marcum, the Brewers have strengthened a pitching rotation that had the third highest earned run average in the National League last year (4.58).
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This involves pitching the machine's nose up to reduce its forward velocity and increase the speed of rotation of the blades (and thus the amount of lift they provide) to soften the landing.
ECONOMIST: Monitor