最終更新日：2022/12/07

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zero-zero

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(aviation, military) Pertaining to the ejection of the occupant of an aircraft from a grounded stationary position (i.e. zero altitude and zero airspeed).

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zero-zero

adj

The pilot reported zero-zero visibility due to heavy fog.

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Test vehicles used during this extensive programme were a launching stand for the zero-zero ejections...

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意味（2）

(aviation) Pertaining to weather conditions of zero ceiling and zero visibility (i.e., opaque cloud all the way down to ground level), or to aircraft operations in such conditions.

Category IIIc ILS would enable landings in true zero-zero conditions (where the pilots can see nothing, not even the surface of the runway they're on), but the problem of blind taxiing - a necessary capability in order to make use of ILS-IIIc - remains unsolved.

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