操作前试验 pre-operational test
熟练操作前厅管理软件 OPEAR
操作前检查 pre-operational check/ examination
操作前多系统回顾 Preprocedure Review of Systems
操作性前提方案 OPRP ; operational prerequisite program ; operational PRPs
操作前的 preoperative
操作前的检查 pre-operational examination
操作前的准备工作 preparations before operation
前台操作 foreground operation ; Guest Service
在执行该操作前，程序必须测试授权：当前用户是否允许执行该操作？
Before executing that operation, the program must test for authorization: is the current user allowed to do the operation?
对于OmniFind，连接器会记住加密的登录凭证，并在每一次操作前登录。
For OmniFind, our connector simply remembers the encrypted logon credentials and logs in before each operation.
使用这些操作前，需要提供一个值和将要进行操作的位掩码，如清单 4 所示。
You provide a value and the bitmask upon which the operation is to be performed, as shown in Listing 4.
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