Before executing that operation, the program must test for authorization: is the current user allowed to do the operation?
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？
It's always a good idea to thoroughly test your list and also to test your command very carefully before committing to a bulk operation such as removing or renaming files.
在执行删除或重命名文件等重要操作之前，最好彻底地测试列表和仔细测试命令。
Before the procedure, the engineers and technicians had trained with test runs, computer modeling and a mock-up of the instrument package. This is a critical mission operation.
在这个程序之前，工程师和技术人员已经进行了测试运行、计算机建模培训和在一个仪器包模型上操作的培训。这是一个关键的任务操作。
There remains one more test to be carried out before putting the machine into operation.
在运行这台机器之前，还剩一项实验有待进行。
We have read the operation Instructions before we begin to test this machine.
在开始测试这台机器以前，我们已读了操作指令。
Before and during performance test the power supply and other media supply shall be in operation conditions and the Buyer shall be responsible for.
验收考核开始前及验收考核其间，买方保证各种能源介质和装置处于正常运行状态。
Conclusions It is necessary to do TCD Matas test before the operation of cerebrovascular diseases.
结论脑血管病外科治疗前压颈试验非常必要。
Before the system being put into operation, professional test authority conducts an overall test as per relevant standards and regulations issued by Ministry of Railway.
在系统投产前，专门的检测部门要按照铁道部的有关标准和规范对其进行全面的测试。
Conclusions Pathologic (examination) is the most reliable diagnostic method for NFPTC. Needle aspiration of fluid to test for PTH or (cytology) is an important method in diagnosis before operation.
结论对无功能性甲状旁腺囊肿，病理学检查是最可靠的诊断方法，针刺抽液测定pth或细胞学检查有助于术前诊断。
The factory acceptance test(FAT)and site acceptance test(SAT)of distribution automation system should be done before system putting into operation in order to ensure the product's quality.
为保证配电自动化产品在用户验收阶段的产品质量，需要进行出厂试验（FAT）与现场试验（SAT），其中，馈线自动化测试是配电自动化系统试验的关键。
The operation of WMH-100 microprocessor-based bus protection in Xinxiang thermal power plant is introduced, and the dynamic simulation test and the test before operation are also introduced.
介绍了WMH100型微机母线保护装置在新乡火电厂的运行情况，并介绍了本装置的动模试验及投运前试验项目。
The operation of WMH-100 microprocessor-based bus protection in Xinxiang thermal power plant is introduced, and the dynamic simulation test and the test before operation are also introduced.
介绍了WMH100型微机母线保护装置在新乡火电厂的运行情况，并介绍了本装置的动模试验及投运前试验项目。
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