Hence, the problems concerning the expression of position vector in the global coordinate system and the local coordinate system, and the numerical area integration by the natural coordinates were solved thoroughly.是什么意思_Hence, the problems concerning the expression of position vector in the global coordinate system and the local coordinate system, and the numerical area integration by the natural coordinates were solved thoroughly.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句