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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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Asante-Denkyera War
Asante’s Anti-British Wars
Asante’s Mission to Great Britain
Asaph Hall
Asari Keita
ASAS
ASA theorem
A Satire of Bearded Servants
A Satire of Birds
asbest
asbestos
asbestos cement product
asbestos fiber
asbestos fibers
asbestos fiber spinning
asbestosis
asbestos related respiratory diseases
As Birds Bring Forth the Sun and Other Stories
ASBU
as-built drawing
as-built drawing of mining
as-built drawings of concentrators
ASCA
ascade cycle liquefaction process
A-scan pulse reflection ultrasonic test instrument
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