For example, the BLOSUM (BLOcks SUbstitution Matrix) matrices for proteins are commonly used in BLAST searches; the values in the BLOSUM matrices were empirically determined.
例如，BLAST搜索中经常使用蛋白质的BLOSUM (BLOcksSUbstitutionMatrix)矩阵；blosum矩阵的值就是根据实际经验确定的。
NET holds its controls on a standard sliding ListBox. In code-editing mode, the Tool Palette displays a list of snippets, which are blocks of commonly used code you can drag to the editor.
NET的控件放在一个可能滑动的列表框中，在代码编辑的模式下，工具栏显示列表的一段，这一段通常是经常需要用到的。
Optically pure arylamines are important building blocks in drug synthesis and are commonly used as chiral auxiliaries and chiral resolving agents.
手性芳香胺是药物合成的重要中间体，同时也可用作手性助剂及手性拆分剂。
BACKGROUND: Current commonly used bone graft materials include cancellous bone or bone blocks from ilium, tibia, fibula and others.
背景：现今临床上常用的自体植骨材料多为髂骨、胫骨、腓骨等部位的松质骨块或骨碎块。
BACKGROUND: Current commonly used bone graft materials include cancellous bone or bone blocks from ilium, tibia, fibula and others.
背景：现今临床上常用的自体植骨材料多为髂骨、胫骨、腓骨等部位的松质骨块或骨碎块。
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