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fixed mean pole
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fixed mean pole
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工学
地球自转角速度
释
fixed mean pole
固定平极
由几个纬度观测台站的固定平纬所确定的平均地极称为固定平极。
Astronomy
fixed mean pole
固定平极
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fishery governance measures
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fishery in Africa
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fishery maximum sustainable yield,MSY
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fishery products nutrition and quality
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