首页/ 题库 / [单选题]我们使用的照明电压为220V,这个值是交的答案

我们使用的照明电压为220V,这个值是交流电的( )

单选题
2021-09-06 20:42
A、有效值
B、最大值
C、恒定值
D、瞬时值
查看答案

正确答案
A

试题解析

感兴趣题目
()shall be liable for loss of and damage to the Vessel and/or goods arising or resulting from inaccuracies in stating the description,quantity,weight,measurement or contents.
Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo,without the authorization or privity of the Shipowner or his agent,is().
(), or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.
A salvor may be()the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.
The () is used for hauling in or letting out the wires or ropes.
Vessels must be()valid certificate of nationality or certificated of registry or license.
When loading or discharging dry mud or cement,crew members should use goggles and().
Effects which are dutiable or subject to prohibitions or restrictions should be declared in ().
逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
220V照明线路()使用额定电压不低于()的绝缘线。
全国统一安装工程预算定额中,《电气设备安装工程》册适用于工业与民用新建、扩建工程中1kV以下变配电设备及线路安装工程、车间动力电气设备及电气照明器具、防雷及接地装置安装、配管配线、电梯电气装置、电气调整试验等安装工程。
逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
相关题目
boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

指令ORS功能,可实现多个指令块的“与”运算。
Logistic回归系数与优势比OR的关系为()。
我们使用的照明电压为220V,这个值是交流电的( )
世界卫生组织推荐使用的口服补液盐(ORS)溶液的张力为()。
照明电压220V是指正弦交流电压的()值。
OR的流行病学含义为()。
ORS液配制后的张力为()
什么叫ORS?如何配制?如何使用?
一项关于吸烟与肺癌关系的病例对照研究,研究结果表明OR为4.0,其意义是()
()any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local quarantine officer must be notified immediately.
Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.
已知A=40;B=30;C=100;D=50,逻辑“与”运算符为and,“或”运算符为or,“非”运算符为not。计算表达式(A>B+20)or(B+60<>
Masters are()solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire,()the claimant proves that the fire arose from fault or neglect on the part of the carrier,his servants or agents.
Shutdown price(or point,or rule) 停业价格(或停业点、停业原则)
翻译:With Average or With Particular Average(WA or WPA)()
广告位招租WX:84302438

免费的网站请分享给朋友吧