国家标准中规定当土样中易溶盐含量大于总质量的()时,须经洗盐才能进行颗粒分析试验。
A. 0.50%
B. 1%
C. 0.5‰
D. 1‰
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虚拟局域网是一种将局域网设备从()上划分为多个网段,从而实现虚拟工作组的交换技术。
铁路混凝土用钢筋检验说法正确的是()
A. 钢筋原材以同牌号、同炉罐号、同规格、同交货状态的钢筋每60t为一批,不足60t也按一批计
B. 钢绞线质量检验以同牌号、同炉罐号、同规格、同生产工艺、同交货状态的预应力筋每30t为一批,不足30t也按一批计
C. 焊接接头的力学性能检验以同级别、同规格、同接头形式和同一焊工完成的每200个接头为一批,不足200个也按一批计
D. 冷挤压套筒连接接头的力学性能检验,以同级别、同规格合同接头型式的每200个接头为一批,不足200个也按一批计
Which two functions does Cisco Configuration Assistant provide?()
A. wireless connectivity
B. call routing configuration
C. device discovery
D. call forwarding
E. command line configuratio
Which statement best describes what Cisco Smart Care Service provides?()
A. bundled technical support and maintenance for Cisco networks
B. bundled, unlimited support with the purchase of any Cisco product
C. technical support, maintenance, and monitoring to Cisco networks
D. fee-based add-on support and tech-to-tech assistance for Cisco product