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Chronometer
01
陀螺时计, 精密计时器
a timepiece that shows the time in a very exact way, especially one used at sea
Example
The chronometer's accuracy was tested regularly to maintain its reliability for professional use.
陀螺时计的准确性定期测试，以保持其专业使用的可靠性。
The navigator relied on a marine chronometer to determine the ship's longitude during the voyage.
航海家依靠陀螺时计来确定船在航行中的经度。
