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调车作业速度有何规定？

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下列各项中属于材料费的是（）。

A. 材料运费
B. 材料保管费
C. 材料的加工损耗
D. 检验试验费
E. 运输损耗费

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双倍频（100Hz）扫描的电视机中存储器的容量一般为（）。

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在进行核能谱测量，道宽取多大合适？

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Company.com has a resource group that contains a database that is accessed by a web client based on another system. The communication to the database is TCP/IP. Occasionally after a failure， the end users get unusual error messages that indicate the database server is not available. It has been determined that the web server is trying to access the database server’s information before it has completed file system recovery after a failure. How can HACMP affect this problem？（）

A. HACMP can resequence the order to the starting of the various resource group elements by utilizing Dynamic Node Priority.
B. The order of dependency can be controlled though the HACMP resource group configuration if the web server was made to be part of the HACMP cluster.
C. HACMP can delay making the network label available until after the filesystem checks have completed with the "filesystem mounted before IP is configured".
D. The IP service label can be in a second resource group allowing the sequential processing of resource groups to control when the IP service label is made available.

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