mean pole of the epoch是什么意思，mean pole of the epoch的翻译，mean pole of the epoch音标、读音、用法和例句

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mean pole of the epoch是什么意思，mean pole of the epoch的翻译，mean pole of the epoch音标、读音、用法和例句_流逝汉英词典

mean pole of the epoch

基本解释

专业释义

测绘科学技术