The computation of nutation series and the estimation of the earth orientation parameters (EOP) make use of an intermediate pole.

章动序列计算和地球定向参数测定需要一个中间的天球参考极作参照。

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Based on the theory of acoustics, this paper analyzes the character of geometrical spreading loss of finite line sound source on three types of directivity-monopole, intermediate pole and dipole.

根据基本声学理论，分析具有单极子、中间和偶极子三种指向性的有限长线声源的几何发散损失特性。

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In order to overcome the unstableness of reduction-to-the-pole at low and intermediate latitude, there are varieties of methods of reduction-to-the-pole.

为了克服在低纬度区磁化极不稳定的问题，出现了多种磁化极方法。

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In order to overcome the unstableness of reduction-to-the-pole at low and intermediate latitude, there are varieties of methods of reduction-to-the-pole.

为了克服在低纬度区磁化极不稳定的问题，出现了多种磁化极方法。

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