The mode uses a PME and gyrocompass to control vessel position and heading, and an acoustic system to position the ROV relative to the vessel.是什么意思_The mode uses a PME and gyrocompass to control vessel position and heading, and an acoustic system to position the ROV relative to the vessel.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句