邊界層導管 的英文怎麼說

中文拼音 [biānjiècéngdǎoguǎn]
邊界層導管 英文
boundary layer duct
  • : 邊Ⅰ名詞1 (幾何圖形上夾成角的直線或圍成多邊形的線段) side; section 2 (邊緣) edge; margin; oute...
  • : 名詞1 (相交的地方; 劃分的界限) boundary 2 (一定的范圍) scope; extent 3 (按職業、工作或性別等...
  • : i 量詞1 (用於重疊、積累的東西 如樓層、階層、地層) storey; tier; stratum 2 (用於可以分項分步的...
  • : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
  • : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  1. This platform employs windows ce. net as operation system, and applys the technology of embedded program - embedded visual c + +. a vector electronical map system is setup. we can display vector map, zoom and roam the map in that system, further more, simple management of map layers and demand information are also realized, further more, we put forward borderline - detection arithmetic to improve speed of display when we roam the map

    開發平臺以windowsce . net為操作系統,運用embeddedvisualc + +嵌入式編程技術,建立了一個矢量電子地圖系統,實現了矢量電子地圖的顯示、縮放、漫遊、圖理以及簡單的數據查詢航功能,提出了用檢測演算法提高電子地圖漫遊時的顯示速度。
  2. This means that the dielectric property changes with height and allows a slight increase in the speed of a radio wave as we move upwards through the atmosphere. this in turn means that if a radio wave moves away from the earth at an angle less than 90 degrees, then the upper part of the wave travels faster than the lower part. therefore even under normal conditions this can in effect bend, or refract, the wave back down to earth

    其中一種顯著的現象是:在一定的氣象條件下,在大氣尤其是在近地中傳播的電磁波,受大氣折射的影響,其傳播軌跡彎向地面,當曲率超過地球表面曲率時,電磁波會部分地被陷獲在一定厚度的大氣薄內,就好像電磁波在金屬波中傳播一樣,稱為大氣波傳播,形成波傳播的大氣薄稱為大氣波
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