centre point的用法和樣例：
例句
- Move the throttle stick back to mid position-- swashplate moves to the mid point of its travel.
將油門(mén)操縱桿移動(dòng)到中間，傾斜盤(pán)移動(dòng)回行程的中點(diǎn)。 - The color gradient is a smooth shading of colors from the center point of the path to the outside boundary edge of the path.
彩色漸變是從路徑的中點(diǎn)到路徑的外邊界邊緣的平滑的彩色漸變。
