大体积混凝土在保证混凝土强度及坍落度要求的前提下,应提高掺合料及骨料的含量,以降低单方混凝土的水泥用量。()
WhenmanagingaccountsandcontractsinWebSphereCommerceAccelerator,whichofthefollowingvaluesaredefinedintheaccountinsteadofacontract?()
A. Howinvoicesaredelivered
B. Whetheracatalogfiltershouldbespecified
C. Whetherorderapprovalisrequired
D. Whetherreturnsarepermitted
E. Whetherthebuyerorganizationhasacreditline
Asystemadministratorisconsideringenablingthe64-bitkernelbutfirstmustdetermineifthesystemhardwarewillsupport64-bit.HowwouldthisbeaccomplishedinAIX5L?()
A. prtconf-c
B. lscfg-vsys0
Checkthe/unixlink
D. CheckforJFS2filesystems
下列关于互感器局部放电测量说法正确的有()。
A. 局部放电测量宜与交流耐压试验同时进行
B. 电压等级为35~1l0kV互感器的局部放电测量可按10%进行抽测
C. 电压等级220kV及以上互感器在绝缘性能有怀疑时宜进行局部放电测量
D. 局部放电测量时,应在高压侧(包括电磁式电压互感器感应电压)监测施加的一次电压