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polar axis英英字典_polar axis剑桥英语解释_polar axis柯林斯英文解释_按摩法牛津词典
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polar axis

P 开头单词

柯林斯词典

    polar axis

  • 1. N the fixed line in a system of polar coordinates from which the polar angle, θ, is measured anticlockwise 極軸

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