DDB的例句（DDB在句子中的用法）

• Dimethyl 4,4'- dimethoxy - 5,6 , 5 ', 6'- dimethylenedioxybiphenyl - 2,2'- dicarboxylate ( α - DDB ) and bicyclol exhibIt'significant antiheptotoxic activities and effectively lower the serum - transaminase level. 4,4’ - 二甲氧基-5,6, 5 ’, 6 ’ - 二次甲二氧基-2,2 ’ - 二甲氧羰基联苯 ( α-DDB ) 和双环醇具有明显的抗肝毒活性,能显著降低血清转氨酶水平.
• DDB was also found to inhibit topoisomerase II activity of Bel - 74 02 hepatocarcinomacells. 此外,DDB还能降低从Bel - 7402细胞内提取出的DNA拓扑 异构酶II(ToPoII)活力.
• Some basic concepts of Device Dependent Bitmap ( DDB ) and Device Independent Bitmap ( DIB ) are introduced. 介绍了设备相关位图 ( DDB ) 、设备无关位图 ( DIB ) 的基本概念.
• Firstly, it describes methods of DDB and DIB bitmap displaying. 首先介绍DDB、DIB位图的显示方法.