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射电天文频率分配
释义
射电天文频率分配
Encyclopedia
理学
射电天文频率分配
释
allotment of a radio frequency of radio astronomy
射电天文频率分配
将无线电频率规定由一个或多个部门,在指定的区域内供射电天文业务在指定条件下使用。
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GRAIL
grain
grain alcohol
grain and forage crops
grain boundary
grain boundary aggregation
grain boundary attack
grain boundary conduction
grain boundary defect
grain boundary diffusion
grain boundary migration recrystallization
grain boundary segregation
grain-cash-forage rotation
grain circulation policy
Grain Coast
grain consumption subsidy policy
grain density test
grain dryer
Grain Elevator
grain filling
Grain Fills
grain flow
grain fraction
grain fragmentation
grain growth
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