名词
中文翻译：Unknown
同义词：
['positioning point', 'positioning mark']
例句：
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1.The ship's positioning anchor was fixed at the exact spot.
船只的定位锚被精确地固定在了那个位置。
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2.The surveyor used a positioning anchor to ensure accuracy in his measurements.
测量员使用定位锚来确保他的测量准确无误。
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3. The engineer had to adjust the positioning anchor to compensate for the ship's movement.
工程师不得不调整定位锚以补偿船只的运动。