分析了1997-2003年期间的59个太阳质子事件，太阳质子事件源区的卡林顿经度带。

In this paper, the Carrington longitude distribution of source location for 59 solar proton events with definite location on the solar surface during 1997-2003 is studied.

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城市属于某一国家的某一地区，城市信息包括(纯ascii)名称、带重音符的名称(可能包含外文字符)、人口数(如果人口数未知，就是0)、纬度和经度。

Cities are within a region of a country and have a (pure ASCII) name, an accented name (which might include foreign characters), a population (or 0, if unknown), a latitude, and a longitude.

youdao

城市属于某一国家的某一地区，城市信息包括(纯ascii)名称、带重音符的名称(可能包含外文字符)、人口数(如果人口数未知，就是0)、纬度和经度。

Cities are within a region of a country and have a (pure ASCII) name, an accented name (which might include foreign characters), a population (or 0, if unknown), a latitude, and a longitude.

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