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- All the F-N curves are straight line that shows electrons are emined from BN to vacuum tunneling through the potential barrier at the surface of the BN films. 不同样品的Fowler-Nordheim(F-N)曲线均为直线;表明电子发射是通过隧穿BN表面势垒发射到真空.
- They are building a submarine cable tunnel. 他们正在建设一条海底电缆隧道。
- They are digging through the hill to make a tunnel. 他们正在凿山建一条隧道。
- 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。
- The kid dug a tunnel in the sand. 小孩在沙堆里挖了一个地道。
- 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。
- The two lanes merge going into the tunnel. 两条车道会合后引入隧道。
- The truck cleared the tunnel safely. 卡车安全地通过了隧道。
- 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。
- He has to stoop to get through the tunnel. 他得弯下腰走过地道。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- The roar of the train reverberated in the tunnel. 火车的轰隆声在隧道里回荡。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- The prisoner escaped by digging an underground tunnel. 囚犯挖了一条地道逃跑了。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- The roof of the tunnel caved in (on the workmen). 隧道顶坍塌(压住工人).
- 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
- The roof of the tunnel was supported by wooden props. 坑道顶用木柱支撑。
