pitching rotation

基本解釋

The flapping-wing motion for most insects consists of plunging translation and pitching rotation.
大多數(shù)昆蟲的拍翼運動由平動揮拍與俯仰旋轉(zhuǎn)動組合而成。
The first is simply called translational correction of focal plane, the second is called pitching rotation correction.
前者簡稱為焦平面平移改正法，后者可稱為俯仰旋轉(zhuǎn)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.
為充分考慮旋翼尾跡對流場的影響和計入槳葉的旋轉(zhuǎn)、揮舞、變距運動，發(fā)展了一種運動嵌套網(wǎng)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).
FORBES: Great Expectations In The Brew City
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