“air traffic control service”的概念、定义、翻译、参考文献-科学参考

单词	air traffic control service
释义	air traffic control service Encyclopedia 工学空中交通管制服务释 air traffic control service空中交通管制服务通过通信、导航和监视等设施设备，按照规定的管制规则，对航空器进行管制指挥，给航空器配备飞行间隔，以防止航空器与航空器相撞以及航空器与障碍物相撞，保障和促进空中交通流有序进行。
随便看	commutative operation commutative operator ring commutative operators commutative ordinal numbers commutative product commutative property commutative relation between differential operation and variational operation commutative ring commutative ringed space commutative scheme commutative semigroup commutative subgroup commutative subspace lattice commutative superalgebra commutative valuation commutativity commutativity condition commutativity relation commutator commutator algebra commutator calculus commutator closed group commutator factor group commutator group commutator ideal

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