The gyro compass itself is important in fire control, as it establishes a system of polar coordinates from which the relationship of own ship and target motion to the earth may be determined.是什么意思_The gyro compass itself is important in fire control, as it establishes a system of polar coordinates from which the relationship of own ship and target motion to the earth may be determined.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句