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绝缘物质在电场作用下发生剧烈放电或闪络的现象叫（）。

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下列哪一项不属于中华民族优良道德传统的主要内容（）。

A. 推崇“仁爱”原则，追求人际和谐
B. 讲求张扬个性，注重个人主义
C. 倡导言行一致，强调恪守诚信
D. 讲求中庸之道，注重人际和谐

A customer has multiple applications on multiple open platforms in their current environment based on IBM System Storage DS8100. They plan to set up a business continuity solution that meets the objective of zero or little data loss for their business critical data. The customer has indicated that cost is a factor. What should the storage specialist recommend（）

A. a DS8700 in the Business Continuity site with a Metro Mirror license
B. a DS8700 with SAN Volume Controller in the Business Continuity site
C. a DS8700 in the Business Continuity site with Global Copy license
D. two new DS5300 servers （production and Business Continuity site） with a Global Copy license

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简述信号的建立时间和信号的保持时间。

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奥氏体钢的冷成形在温度低于（）下成形。

A. 100℃
B. 300℃
C. 500℃
D. 50℃

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