詞語：MN
MN的解釋
MNabbr. 磁北（Magnetic North）
MN的意思
mn 蒙古;Mobile Node;磁北;平均潮差;mn sute 小型套房;MN mn 蒙古?;MINNEAPOLIS MN 明尼阿波利斯;明尼蘇達州;Fe Mn 及微量元素;
MN的參考例句
1.The Si-Mn steel track plate and pin usually exist the early abrasion, one of the main reasons is the burr defect of pin hole. 硅錳鋼履帶板銷孔存在脈紋鑄造缺陷是造成履帶板與履帶銷出現早期磨損現象的根本原因之一。
2.The experiment results showed that V could refine grain, change carbide morphology and distributed of high Cr-Mn white cast iron, and increase mechanical properties. 結果表明：在高鉻錳白口鑄鐵中加入一定數量的釩，能細化晶粒，改善碳化物的形態和分佈，提高力學性能。
3.The results showed that Nasturtium officinale contained abundant elements of Ca, Mg, Fe, Zn and Mn, and there was difference of the content of trace elements in stems and leaves. 結果表明，西洋菜中鈣、鎂、鐵、鋅、錳含量豐富，莖與葉微量元素含量存差異，這些為研究西洋菜藥用及食用價值提供新的科學依據。