譜線覆蓋 的英文怎麼說

中文拼音 [xiàn]
譜線覆蓋 英文
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  • : Ⅰ名詞[書面語]1 (按類別或系統編成的書或冊子等) table; chart; register 2 (指導練習的格式或圖形)...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 動詞1. [書面語] (蓋住) cover 2. [書面語] (底朝上翻過來; 歪倒) overturn; upset 3. 同 「復」 (Ⅱ1. 2. )
  • : 蓋名詞(姓氏) a surname
  • 覆蓋 : 1 (遮蓋) cover; overlap 2 (植被) plant cover; vegetation3 (保護層 覆蓋物) cover; covering; ...
  1. In recent years, radio technology has developed very quickly in our country. however, a radio monitoring receiver with broad frequency scale ( 20 - 3000 mhz ), high scanning rate ( above 1ghz / s ) and whole spectrum real - time display has not developed. some imported monitoring receivers with broad frequency scale can only scan slowly and could n ' t meet actual needs. not only these imported receivers " price is high but also those developed countries usually limit the quantities of imported receivers and related technology is not open

    近年來我國無電技術水平已經有了很大發展和進步,但對于頻率范圍寬( 20 - 3000mhz ) 、掃描速度快( 1ghz / s以上)並具備快速全頻段實時頻顯示和記錄的無電監測接收設備,目前我國尚不能生產,國內現在已經進口的寬頻段監測接收機一般也只能進行低速掃描,無法滿足實際的需要。
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