Can two Google searches really produce as much carbon dioxide as boiling enough water in an electric kettle for a cup of tea?
两条Google搜索真的能产生用电水壶烧一壶茶所产生的二氧化碳？
The electric field within a closed, empty conductor is zero, so the cup shields the object placed inside it from any atmospheric or stray electric fields.
由于闭合、中空导体中的电场为零，所以，使用法拉第杯就把放在其内部的物体屏蔽起来，不受大气的或任何寄生的电场的影响。
An apparatus based on analogous Faraday cup, measuring of the artificial electric quantum of powder particles charged by different direct current poles, is developed by the authors.
自制法拉第杯测量装置，测量粉末颗粒在不同直流电晕方式人工荷电时荷电量。
We mainly wholesale diamond saw blades, polishing pads, diamond cup wheel, electric tools, archaize slab brush, stone protection and other special stone tools.
批发销售金钢石锯片、软磨片、地板翻新片、磨轮、电动工具、防古刷及防护剂等石材专业用品及工具。
Inspired by the birds, one man built a thief-proof house without alarms, electric fencing, or security beams in crime-ridden South Africa, host of the 2010 World Cup.
在犯罪猖獗的世界杯东道主南非，由于受到鸟类的启发，一个男子建造了一间可预防偷窃的房子，但是没有警报设施，没有电网，也没有安全梁。
The principle of his "invention" is that when the water level reaches the two metal strips the water closes the electric circuit, thus the buzzer sounds to warn the user that the cup is full.
这项发明的原理是当水位线升高至两条金属线之间的时候，水阻断电路。蜂鸣器则警示水杯已呈满水。
The utility model relates to a wirewound cup type motor rotor without iron core and belongs to the technical field of the electric motor.
本实用新型涉及一种无铁芯绕线式杯型电机转子，属于电机技术领域。
The utility model relates to a wirewound cup type motor rotor without iron core and belongs to the technical field of the electric motor.
本实用新型涉及一种无铁芯绕线式杯型电机转子，属于电机技术领域。
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