This mode is used when full instrument landing system is available.
这种方式是在全仪表着陆系统正常时才使用。
The plane has UHF and VHF radios plus an instrument landing system.
飞机配备了UHF和VHF无线电以及仪表降落系统。
The plane has UHF and VHF radios plus an instrument landing system.
飞机配备了UHF和VHF无线电以及仪表降落系统。
Ultimately, the company added a parachute as an emergency landing system.
最终，这家公司添加了一个降落伞作为紧急着陆系统。
This proposed system has a potential application for the space-borne landing system.
这套系统在未来星载着陆系统中有潜在应用前景。
The aim of this flight was to test the new shuttle system, to go safely up into orbit and to return to the Earth for a safe landing.
这次飞行的目的是为了测试新的航天飞机系统能否安全的进入轨道和安全的返回地球着陆。
The aim of this flight was to test the new shuttle system, to go safely up into orbit and to return to the Earth for a safe landing.
这次飞行的目的是为了测试新的航天飞机系统能否安全的进入轨道和安全的返回地球着陆。
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