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Based on Ampere" Molecular Current Hypothesis, Dipole theory and Ampere Law, the interaction force formulation of two spherical particles which aligned with the external field is firstly deduced." 然后根據(jù)安培分子電流假說(shuō)、偶極子理論和安培定理，計(jì)算了沿磁場(chǎng)方向兩個(gè)球形粒子的作用力表達(dá)式。 dict.cn