variable propeller pitch的用法和樣例：
例句
- It introduces the motion requirement and the structural characters of yawing and variable pitch.
摘要簡(jiǎn)述了偏航和變槳距系統結構特點(diǎn)和動(dòng)作要求。 - A controller is designed using the robust regulator theory for a large pitch regula ted wind turbine while yawing.
應用魯棒調節器理論，為偏航時(shí)大型變槳距風(fēng)力機組設計了一個(gè)運行于額定風(fēng)速以上的控制器。
