The heterojunction barrier controlled ballistic electron transistor-a novel three terminal semiconductor device which could be operated competently at millimeter wavelength frequency is proposed.

本文提出一种能在毫米波很好工作的三端半导体器件—异质结势垒控制飞的电子晶体管（简称势垒飞越晶体管）。

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Arriving at the ferry terminal, my stomach lurches as I spot the vessel that we are about to spend three and a half hours on, crossing open shark-infested waters.

到了码头，我看见渡船就感觉胃部痉挛。我们就是要在这么一条船上呆上三个半小时，渡过鲨鱼出没的大海。

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If you spend more than three hours a day in front of a computer or electronic terminal you probably have some level of what physicians are calling "Computer Vision Syndrome."

假如你一天花三个小时以上的时间看电脑或电子设备终端，你就很可能有医生们所说的“电脑视觉综合症”。

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Terminal A, three stops at Terminal B.

FORBES: Technology Saves A Bad Planner

It took five days for the ship to dock at the Alabama Cruise Terminal, three days after it was due.

CNN: Crippled cruise ship returns; passengers happy to be back

British Airways was forced to abandon its plans of moving its entire Heathrow operations to Terminal 5 in just three days in April, after its baggage system ground to a halt, resulting in chaos in the terminal's opening days.

FORBES: Magazine Article