DDB是什么意思
網絡釋義：雙倍余額遞減法函數；分布式數據庫；恒美廣告；恒美
1 . Firstly, it describes methods of DDB and DIB bitmap displaying.
首先介紹DDB、DIB位圖的顯示方法.
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2 . In this thesis, the synthesis routes of α - DDB and ? ? - DDB were optimized.
本文對α-DDB和β-DDB的合成路線進行了改進.
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3 . Some basic concepts of Device Dependent Bitmap ( DDB ) and Device Independent Bitmap ( DIB ) are introduced.
介紹了設備相關位圖 ( DDB) 、設備無關位圖 ( DIB ) 的基本概念.
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4 . DDB was also found to inhibit topoisomerase II activity of Bel - 74 02 hepatocarcinomacells.
此外,DDB還能降低從Bel - 7402細胞內提取出的DNA拓撲 異構酶II(ToPoII)活力.
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5 . 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 ’ - 二甲氧羰基聯苯 ( α-DDB) 和雙環醇具有明顯的抗肝毒活性,能顯著降低血清轉氨酶水平.
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