名词
中文翻译：经度差
同义词：
['longitude difference', 'latitude difference']
例句：
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1. The ship's position was determined by the difference of longitude between the two ports.
这艘船的位置是通过两个港口之间的经度差来确定的。
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2. The scientist used a telescope to measure the difference of longitude between two points on the globe.
科学家使用望远镜测量了地球两个点之间的经度差。
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3. The difference of longitude is crucial for navigation and mapping.
经度差对于导航和制图至关重要。