直升机

• Over the racket ofa passing police ' copter
  但飞过的巡逻直升机的噪音让我没听清
• Air tour helicopter , you are in controlled airspace
  观光直升机，你正处于管制领空
• Nuisance caused by a helicopter landing pad in tai o
  大澳直升机停机坪所造成的滋扰
• He is a stranger to the operation of the helicopter
  他对直升机的操作很陌生。
• I wanted to jump out of the window of that helicopter . .
  我曾想过跳出直升机的窗户
• An automatic detection method of hovering helicopter
  一种悬停直升机的探测方法
• Level - stability - panel is a key component in helicopter
  平尾是直升机的重要部件。
• L wanted to jump out of the window of that helicopter . .
  我曾想过跳出直升机的窗户
• General specification for torque indicator of helicopter
  直升机扭矩指示器通用规范
• Detection of hovering helicopter with binary hough transform
  变换法检测悬停直升机