Which statement regarding the site-survey process is correct?()
A. In a multifloor building, the access point layout from the survey of one floor can be directly applied to the remaining floors
B. Access points can be installed in the same place on every floor, without worrying about co-channelinterference
C. You can survey with a Cisco AIR-ANT5959 in a plenum environment
D. Identify all hazardous and restricted areas that might require extra or special survey and installationwork
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电控柴油机采用()技术有效地减少颗粒物和降低NOX排放量。
A. DPF(微粒捕集器)
B. SCR(微粒捕集器)
C. DPF(选择性催化还原)
D. SCR(选择性催化还原)
船舶搁浅、触礁事故多数是不可抗力造成的,也有由于定位失误、操纵不当等原因造成的。
A. 正确
B. 错误
建筑物、构筑物、广告设施以及道路、广场、绿地等设置夜景照明设施的,应当符合()。
A. 户外广告规划
B. 夜景照明规划
C. 城市容貌标准
D. 环境卫生标准