Effects of different preparation procedures on abutment surface roughness.
不同预备程序对基牙表面粗糙度的影响。
To safeguard all contracts and agreements and to supervise the necessary accounting procedures and the preparation of accounting ledgers and summaries.
妥善保管各种合同和协议文件，监督必要的会计程序和会计分类账及总账的记录。
The procedures of the assembly language preparation, and it very quickly declassified.
由于程序是以汇编语言编写的，故解密速度很快。
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