决定实施无线电管制的机构为：（）
A、在全国范围内或者跨省、自治区、直辖市实施，由国家无线电管理机构决定。在省、自治区、直辖市范围内实施，由相关地方无线电管理机构决定C
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Thefirsttaskofabrochureisto_______.
PoorspeakerofEnglishthoughhewasatthetime,hestillmanagedtomakehimself________.
Thereisalwaysareadymarket____SewingMachines,providedtheyare___goodqualityandcompetitiveinprice.
Importswillbeallowedinproportion_______exports.
Thefactory_______we’llvisitnextweekisnotfarfromhere.
