您要查找的是不是：
- An aircraft that can take off and land on either land or water. 水陆两用飞机可以在水面和地面起飞降落的飞机
- Now our aircrafts need a long runway to take off and land. 现在我们的飞机需要很长的跑道起飞和降落。
- A helicopter is able to take off and land straight up and down. 直升飞机可以垂直起飞或着陆。
- The area of fields and runways where aircraft can take off and land. 飞机场飞机可以起飞和降落的场地和跑道
- I like to watch planes taking off and landing. 我喜欢看着飞机起飞和降落。
- A strip of level, usually paved ground on which aircraft take off and land. 跑道飞机起飞或登陆的一条水平道路,通常铺过地面。
- The plane took off and landed on without difficulty. 飞机顺利地起飞和降落。
- Carrier-based planes refer to those that can take off and land on an aircraft carrier. 舰载机指的是那些可以在航空母舰上起飞和降落的飞机。
- Reservation of All Lines Those Take Off and Land in Shanghai, and Having Special Price, Delivering in Free. 世界及国内各航空公司在上海起降的所有航班机票预定,更有特价机票,送票上门。
- The trajectory tracking control for the under-actuated VTOL (vertical take off and landing) aircraft with any input coupling was addressed. 研究了欠驱动VTOL(垂直上升和垂直着陆)空间飞行器在各种输入耦合时的非线性跟踪控制问题。
- The Harrier can fly as fast as a jet airplane.It also can take off and land the way a helicopter can. 鹞式战斗机兼具喷气式飞机与直升机二者的优势：它的飞行速度与喷气式飞机一样迅猛，它还可以像直升机一样垂直起飞和降落。
- "All planes take off and land according to schedule," Itar-Tass said, citing an airport representative. 塔斯社一名机场代表表示：“所有飞机都按时刻表起降。”
- Their over all usefulness is in the fact that they can take off and land in almost nonsensically short distances! 他们是在事实上，他们可以在起飞和短距离几乎胡说土地的所有有用！
- He says the Russian elite is inclined to suddenly take off and land in a place like the Maldives instead of investing in the Vladimir Region near Moscow. 他说：“俄罗斯的精英们总是出人意料地跑到国外，比如马尔代夫，去投资，而不愿意在莫斯科附近的弗拉基米尔地区投资。”
- An air craft which can take off and land vertically in a small area without the need for runways.The propellers is installed in the top of the helicopter, circumrotate flatly. 能直升直落及在空中停留的航空器，螺旋桨装在机身的上部，作水平方向旋转，可在小面积场地起落。
- Her hat fly off and landed up in the river. 她的帽子让风刮跑落到河里了。
- There is often a spectators balcony at airports where people can watchthe planes taking off and landing. 机场常设有看台,供人们观看飞机起飞降落。
- Her hat flew off and landed up in the river. 她的帽子让风刮跑落到河里了。
- Please turn off all electronic devices, when the plane is taking off and landing. 请在飞机起飞时及降落时,关掉所有的电子设施
- A nonlinear identification algorithm base on the minimum model error(MME) approach and multiple shooting method is used to identify nonlinear dynamic model during aircraft take off and landing affected by ground effects. 利用基于最小模型误差法和线性不连续跳跃多重打靶法建立的非线性辨识法，辨识了飞机起飞着陆过程的非线性动态模型。
