lev的例句（lev在句子中的用法）

• Ideal is the beacon. Without ideal, there is no secure direction; without direction, there is no life.----Lev Tolstoy 理想是指路明灯.没有理想,就没有坚定的方向;没有方向,就没有生活.----列夫.托尔斯泰 出自：英语名言
• The lev - els of Bcl - 2 and Bcl - X _ L proteins were examined by western blot analysis. Westernblot法分析细胞内Bcl -2 和Bcl -X _L蛋白水平的变化.
• Methods: The serum PLA 2 , ALT lev els were detected by Trace titration and Reitman - Frankel methods. 方法: 用微量滴定法和赖氏法检测各型病毒性肝炎患者血清PLA2与ALT水平.
• The energy band gaps of sputtered Cr 03 are approximately 1 . leV ( AD ) and 1 . 4 eV ( HT ). 其中第三种溅射铬-氧薄膜(C_ rO3)的能带间隙约 1.leV ( A-D ) 和1.4eV ( H-T ).