岩石的弹性是指岩石除去外力后恢复它原来形状和（）的性能。
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（）是何占豪、陈钢创作的一首具有民族风格的小提琴协奏曲。
专用母联开关串带充新投线路时，SMC型母差保护应投何种方式？
胶带在运行中经常发生局部破损，主要原因是胶带本身质量差。
A. 正确
B. 错误
What are two characteristics of SLB router mode?（）
A. The design supports multiple server subnets.
B. An end-user sees the IP address of the real server.
C. SLB routes between the outside and inside subnets.
D. The source or destination MAC address is rewritten, but the IP addresses left alone.
E. SLB acts as a "bump in the wire" between servers and upstream firewall or Layer 3 devices.
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