narrow range 中文意思是什麼

narrow range 解釋
窄波段
  • narrow : adj 1 狹 窄 狹隘的 狹小的 （opp broad wide）。2 有限的 受限制的；有偏見的 氣量小的 心眼兒窄的；眼...
  • range : vt 1 排列；整理（頭發等）。2 使歸類[班、行、隊]；把…分類。3 〈用被動形或反身形〉加入，站住…的一邊...
  1. A measuring of the malposition of the rate of exchange indicates that rmb ' s rate of exchange was moderately underestimated with a narrow range in 2004 and the first half of 2005

    對匯率錯位的測算表明： 2004年和2005年上半年，人民幣存在低估，但低估幅度較小。
  2. 4 ree geochemistry of fluorite, siderite, quartz, magnetite, calcite in ores mainly controlled by ore - forming fluids, in contrasting to those of the metamorphic minerals which controlled by crystal structure. the ore - forming fluids of initial stage show larger lree / hree fractionation than that of later stage. a narrow range of 6 ~ 4s valus for early stage chalcopyrite ( - 0. 3 to 2. 8 ) suggested that s originated from the mantle and the 6 13c and 8 18o valus of siderite range from - 11. 17 to - 15. 37 % and from 8 ~ 9. 1, respectively, it indicates that the c and o of ore - forming fluids were derived from the magma or organogenous sediment

    6 、昆陽群因民組地層中出現的稀土富集、成礦與我國的白雲鄂博稀土ree一fe一nb超大型礦一床和澳大利亞的olympicdamcu一u一au一ag一ree超大型礦一床，在成礦時代、產出大地構造背景、成礦物質來源等方面具有較大的相似性，均體現成礦受控于中元古代1
  3. During the first half of 1997, the hong kong dollar exchange rate moved within a narrow range of 7. 73 to 7. 75 chart 1

    一九九七年上半年，港元匯率在7 . 73至7 . 75窄幅上落圖一。
  4. In view of theproperties of infrared thermal images, narrow - range zero - crossing edge detection method was applied to detect the edges of welding flaws and good results were obtained

    針對紅外熱圖象的灰度特性，提出了窄范圍二階導數過零邊緣檢測用於焊接缺陷的邊緣提取，獲得了較好的效果。
  5. It will be far more realistic, as we shall see, to speak of quasimonochromatic light which is composed of a narrow range of frequencies.

    我們將看到，更為實際的是討論由窄頻道組成的準單色光。
  6. Test results indicate : formula in american code is very conservative and with low reliability ; formula in bridge code, westergaard formula and sanko - bakht formula can be only used in narrow range ; the result of space numeric simulation is approximate to test one, and with high accuracy

    試驗結果表明：美國規范公式計算結果過于保守、可接受程度低；橋規公式、魏斯特加公式以及沙柯公式計算結果單一、適用范圍偏窄；空間數值模擬分析的結果與試驗結果比較接近，準確度高。
  7. The good adhesion of zinc coating can be obtained. 3. pyrophosphate copper electroplating is conducted by ammonium citrate as a auxiliary complexing agent at around 40, the narrow range of current density can

    3 .焦磷酸鹽鍍銅時採用檸檬酸銨作為輔助配合劑，溫度控制在40左右，電流密度范圍較窄，控制在1 . 0a . dm ~ （ - 2 ）左右，電鍍時間較長，無法達到無孔狀態，所以必須採用酸性鍍銅加厚銅鍍層。
  8. Move within a narrow range

    在窄幅上落
  9. In voice transmission, to compress the signal amplitude into a narrow range be cause the amplifiers are linear over wide ranges

    在話音通信中，因放大器的線性范圍有限，把信號幅度壓縮到一個較小范圍的處理。
  10. At present, the reforming of the curriculum in middle school has been from the experiment stage in a narrow range to the popularization stage in the limits of the whole country

    目前我國中學綜合文科課程改革，已由最初的小范圍試驗階段進入到全國范圍內的推廣階段。
  11. Like all engines, internal - combustion power plants run most efficiently in a narrow range of torque and speeds

    內燃式發電機跟所有的引擎一樣，必須在很窄的扭力和轉速?圍下才能達到最高效率。
  12. Existing machine visual systems are generally of narrow range of purpose - they are built to specific tasks and limited in their ability to recognize suspicious activities or events

    現有的機器視覺系統總得來講應用面窄它們多是為專有的目的建造，而且識別能力有限。
  13. For firing of the mixture in the cylinder every time spark occurs, the air-fuel ratio must lie in a fairly narrow range.

    為了在氣缸里每一時刻發生一次火花時混合氣的燃燒更理想，空一燃混合比必須限於相當狹窄的區域內。
  14. Like a computer screen, photographs have a narrow range of brightnesses

    和計算機屏幕一樣，照片只有一個很窄范圍內的亮度。
  15. That protection gives you the right ( subject to a narrow range of fair use exceptions ) to control how others copy the work, whether they copy it to republish it or to share an excerpt

    此種保護給予你權利去控制別人如何拷貝你的作品（此權利受制於窄范圍的合理使用的例外規定） ，而無論他們拷貝是為了重新出版還是分享一個摘要。
  16. The microstructure and performance of titanium is relatively sensitive to the process parameters in the hot deformation processes, and the optimal process parameters is in relatively narrow range, and then it is in difficulty to obtain ideal microstructure and performance with the common forging technique

    由於鈦合金的組織和性能對變形時的熱加工參數比較敏感，使其適合的熱加工參數范圍較狹隘，用一般的鍛造方法難以獲得理想的微觀組織和性能。
  17. In addition, for a dispersive high frequency system, because of the requirement of the phase in - step between the beam and electromagnetic wave, the bandwidth are expected to be located in a narrow range

    另外，對干填充等離子體的色散高頻系統，由干電子注和電磁波互作用的同步要求，系統帶寬必然分佈在某一有限范圍內。
  18. Enzyme systems of mammals and birds are most efficient only within a narrow range around 37c ; a departure of a few degrees from this value seriously impairs their functioning

    細胞在某一限定溫度范圍之外是無法繼續生存的，而且要想保持細胞有效的機能運作這一溫度范圍會更加狹小。
  19. On the macro level ( please see the charts with per - poll figures ), cj andrew li kowk - nang ' s ratings have remained fairly stable over the past one and a half years, in the narrow range of 58 to 62 marks

    綜觀市民對李國能一年半來的評分趨勢（可參考按次計算圖表） ，其得分一直保持穩定，於58至62分之間窄幅徘徊。
  20. If that is the case with the relatively narrow range of cell phone frequencies, it is even more likely the case with the frequencies which may be used to cause direct, intentional harm to a person

    如果那是相關的狹窄范圍的蜂窩電話頻率的案例，它甚至更象是那些可以被用來導致直接、故意的傷害一個人的頻率的案例。
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