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无线电航海警告
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无线电航海警告
Encyclopedia
工学
〔航海安全〕
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radio navigational warnings
无线电航海警告
利用无线方式播发的与航行安全有关的紧急信息。多数属临时性质,有些警告的有效期可达数周,直至最后为航海通告所代替。又称无线电航行警告。
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energy resource map
energy resources of China
energy-rich
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energy-saving agricultural machinary
energy-saving and low-carbon technology
energy-saving building
energy-saving control of sensors
energy saving glass
energy saving in aquaculture hothouse
energy saving label
energy saving lighting
energy-saving management of agricultural machinery processing in rural areas
energy-saving management of building in rural areas
energy-saving management of cooking in rural areas
energy-saving of diesel locomotive
energy saving of station building
energy-saving technologies in greenhouse
energy saving technology of electromagnetic heater
energy-saving technology of the rod pumping
energy-saving technology of vehicle
energy saving transformation of existing building
energy saving transformer
energy security
energy-selected image
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