题目内容

当被试品电容量很小,测量其介损tgδ时,介损仪的高压引线与被试品的杂散电容对测量的影响不可忽视。

A. 正确
B. 错误

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下列各项中不属于企业无形资产的是()。

A. 商标权
B. 非专利技术
C. 商誉
D. 土地使用权

You need to back up the existing data on a computer before you install a new application. You also need to ensure that you are able to recover individual user files that are replaced or deleted during the installation. What should you do?()

A. Create a System Restore point.
B. Perform an Automated System Recovery (ASR) backup and restore.
C. In the Backup and Restore Center window, click the Back up files button.
D. In the Backup and Restore Center window, click the Back up computer button.

()分析技术主要需要油液颗粒()、形态、成分、类型、大小、分布和材料等数据信息。

《铁路旅客运输服务质量标准》规定,运行途中洗脸间、厕所、通过台、连接处保持()。

A. 清洁
B. 整洁
C. 干燥
D. 无杂物

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