A teacher deserves wide latitude in selecting the method of grading that best promotes learning in her classroom; that is, after all, the prime function of grades.

在选择最能促进课堂学习的评分方法时，教师应具有很大的自由度；毕竟，这是成绩的主要用途。

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This method performs its conversion by calling various methods to get the latitude and longitude zone and calculating the easting and northing and so on.

该方法执行转换的方法为：调用各种方法获得经纬度区，然后计算以东和以北值，等等。

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I am using Google maps projection method to calculate the distance between two latitude and longitude.

我使用的谷歌地图投影的方法来计算两个纬度和经度的距离。

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Mr Cook said a universal method was needed as coastguards used latitude and longitude when they rescued at sea, and people used postcodes and street names when they gave directions.

BBC: South West Coast Path gets 500th 'life-saving' sign