Varying the voltage or the distance between the ground plate and the graphene alters the conductivity, "just like tuning a knob," Engheta said.

改变电压或是接地板与石墨层之间的距离都能改变传导率，“就像调节旋钮一样”，Engheta说。

The MX-15, an imaging device made by L-3 WESCAM, a Canadian company, allows a pilot to read a vehicle’s licence plate from a distance of 10km (6.2 miles).

由加拿大L-3 WESCAM公司生产的MX-15成像装置能使飞行员在10公里的距离上识别出一辆汽车的车牌号码。

From a distance, the floating Island of the Immortals looks like a plate of lead melting in the sun.

从远处望去，不朽浮山看起来就像一盘在被阳光烤化的铅。

The MX-15, an imaging device made by L-3 WESCAM, a Canadian company, allows a pilot to read a vehicle's license plate from a distance of 10km.

由加拿大l - 3 WESCAM公司生产的MX - 15成像设备能让飞行员读出10公里开外的车牌号码。

Inspection distance between draught marks and keel plate after marking out.

划线后检查吃水标尺至平板龙骨之间的距离。