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射电天文频率分配
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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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pipeline turning point stake
pipeline valve
pipelining algorithm
pipelining of heated oil
pipelining of high pourpoint and viscous oil
pipelining of products by batch
pipeloop
pipe material of water supply
Pipe Nebula
pipe network system
pipe prover
piper
pipe ramming method
piperazine
piperazine-2,5-dione
piper diagram
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piperidine alkaloid
piperidone
piperine
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piperonyl butoxide
pipe rupture valve
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