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- vacuum binant electrometer 真空双象限静电计
- binant electrometer 二位电子计
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- His wife's death left him a vacuum in his life. 他妻子的去世使他的生活变得空虚。
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- Some people are living in a vacuum. 有些人过着与世隔绝的生活。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- Sealed under low pressure or a partial vacuum. 抽空密封的在低压或部分真空状态下密封起来的
- An electrometer is a highly refined DC multimeter. 静电计是一种高度精密的直流多用测量仪表。
- Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰尘被吸入吸尘器。
- We could not pull apart two plates which enclosed a vacuum. 如果两个盘子间是真空，我们就无法将它们分开。
- Operating by means of suction or by maintaining a partial vacuum. 抽真空的用吸取的方式或用维持部分真空的方式来运作的
- To achieve the high impedance required specially designed "electrometer" vacuum tubes, field effect transistor must be used in the input stage. 为适应高阻抗需要，仪器输入电路中须用特殊设计的静电计专用电子管、场效应晶体管。
- Main Control Unit, two-channel electrometer and servo controller. 主控制器单元,带有两通道静电计和伺服控制器。
- On Saturdays we dust and vacuum. 每星期六我们扫除灰尘并用真空吸尘器打扫。
- Figure 1-26 is a block diagram of a typical digital electrometer. 图1-26为典型数字式静电计的方框图。其模拟部分与前面讨论的电路类似。
- His departure created a vacuum in our lives. 他的离去在我们的生活中造成了空虚。
