MN

Speciation of Zn, Mn, Fe, Ca, Mg in Ligusticum wallichii Franch was analyzed by atomic absorptionspectrometry.

利用原子吸收分光光度法对中药川芎中锌、锰、铁、钙、镁五种元素的形态进行了研究。

Fe, Mn and Sr are higher in content.

实验结果表明：其中铁、锶、锰的含量较高。

Clearly, this algorithm runs in o (mn) time.

显然，这个算法的运行时间为O (mn)。

Cu, Se, Mn, Ni and V are necessary elements to plants growth.

铜、硒、锰、镍和钒是植物生长的必需元素。

Note that the running time for the Levenshtein algorithm is always o (mn).

请注意：Levenshtein算法的运行时间总是O (mn)。