LangevinˈleɪŋɡɪˌvɪnCOCA⁸⁹¹⁴¹BNC¹⁴⁴⁶⁶⁴⁺³ 基本例句 郎之万¹⁰⁰ Excellent magneto-optical characteristic was obtained: a negative differential magnetic linear dichroism was observed, quite different from the traditional Langevin type of magnetic fluids. 同时,我们发现了该材料的一个独特的磁光性质:负梯度磁线性二向色性,与传统磁流体的郎之万型有很大的区别。 fabiao