短波開關 的英文怎麼說

中文拼音 [duǎnbōkāiguān]
短波開關 英文
short wave switch
  • 短 : Ⅰ形容詞（空間、時間兩端之間的距離小） short; brief Ⅱ動詞（缺少; 欠） lack; owe Ⅲ名詞1 （缺點） we...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 關 : Ⅰ動詞1 （使開著的物體合攏） close; shut 2 （圈起來） shut in; lock up 3 （倒閉; 歇業） close down...
  • 短波 : [電學] sw （short wave）; high frequency wave
  1. By investigation on the relationship between period, quantity, extend of ostrinia furnacalis emergence and meteorological factors in qiqihaer, this paper analyzes the factors which effect on period, quantity, extend of ostrinia furnacalis about annual wave. the beginning time of ostrinia furnacalis pupae emergence depends on average temperature in may and june, weather conditions in july decide whether ostrinia furnacalis pupae finish ahead of time ; the beginning time of eclosion is decided by average lowest temperature and precipitation in may and june, and the end time of eclosion is decided by average lowest temperature in june and july, meantime, the length of time of ostrinia furnacalis eclosion and time of grub emergence influence on the extent of ostrinia furnacalis. an important condition of a great emergence of ostrinia furnacalis is that how temperature matchs humidity, which substantially result in reduction of maize output

    本研究項目通過對齊齊哈爾市玉米螟發生期、發生量、發生程度與氣象條件關系的分析，找出玉米螟發生期、發生量、發生程度年際波動的影響因子： 5 、 6月的平均氣溫決定了玉米螟化蛹開始的早晚， 7月的天氣條件決定玉米螟化蛹是否提前結束； 5 、 6月的平均最低氣溫和降水則決定羽化開始的早晚， 6 、 7月的平均最低氣溫又決定了玉米螟羽化結束的早晚；而玉米螟羽化持續時間的長短和幼蟲發生的早晚影響了玉米螟的發生程度；溫濕條件配合適當與否是促使玉米螟大發生的重要條件，玉米螟大發生又會引起玉米的大幅度減產。
  2. Superior frequency characteristics shortest recovery time, realize the switching of the circuit, complete functions such as open and close, clip wave, wave detector, high - frequency rectifier, logic control, which fit for all kinds of digital circuits and analog circuits

    具有良好的高頻開關特性反向恢復時間短，可實現對電路開和關的控制功能，可完成開關限幅檢波高頻整流邏輯控制等功能，適用於各類數位電路類比電路。
  3. The writer studies the developed steps of real estate industry in the above - mentioned period and describes its generation mechanism, characteristics and cause of business cycle fluctuation of real estate industry in the period of our economy system shift. it is necessary to point out that policy cycle fluctuation should be a fundamental cause on business cycle fluctuation of real estate industry in china. writer here jumps at the conclusion that the recovery phase and depression phase of business cycle in our real estate industry should be later than the expansion phase and decline phase

    該部分內容由第3章構成，即從房地產經濟周期波動的一般研究轉到對我國房地產經濟周期波動進行分析，從總體上看，改革開放以來我國房地產業的真正形成與發展只有20年的歷史，通過對這一短時期中國房地產業發展的探討，指明轉軌時期中國房地產經濟周期波動的一些主要特點，同時指出我國房地產經濟周期波動形成機制與原因，當前我國經濟轉軌時期，政策周期波動是房地產經濟周期波動的根本原因，並從理論角度分析了房地產經濟周期波動與宏觀經濟周期波動在各個階段間的相互關系，得出我國房地產經濟周期相對于宏觀經濟周期波動來說在復甦期和蕭條期滯后，但高漲期和衰退期卻先行的結論。
  4. China ' s government has adopted many measures to promote free competition in commodity market in recent twenty - six years, but in the financial market the interest rate, the price of capital, is still controlled by the government to some extent. this thesis is about the theory and policy of interest rate liberalization in china. the first part includes the chapter 1, chapter 2, chapter 3 and chapter4

    盡管有些國家在短期甚至是一夜之間解除了所有利率管制，但這並不意味著利率市場化的完結，恰恰相反，利率市場化在這些國家才剛剛開始；利率管制的解除使得利率關系變得比以前更為復雜了，利率波動隨經濟的發展也將變得更加頻繁了，套利的機會比以往更多，資金流向和流量具有更大的不確定性。
  5. Many nonlinear optical effects such as spm, xpm and fwm play important roles in the evolutions of optical pulses in the loop mirrors

    利用構成非線性環的光纖中發生的不同非線性效應（自相位調制、交叉相位調制與四波混頻效應） ，可以實現超短脈沖的非線性光開關特性。
  6. As to the import and export enterprises, they do not need to make customs declaration for the second time, thus greatly improving the efficiency ; this helps them reduce the the cost for customs declaration

    對于廣大進出口企業，開通口岸直通式監管業務，一是改變原來轉關運輸需二次申報，為一次報關完成，減少環節，縮短通關時間，可以大大地提高企業通關效率二是避免了企業在青島淄博兩地的奔波，可以
  7. The simulation shows that the valve throttle area should be little as possible but must be more than 40 % of pipe section area ; when the total length of pipe is same, and the flow quantity is enough, pipe before primary valve should be thin and long, and the pipe after primary valve should be thick and short, the upriver and downriver small pressure fluctuation will badly lead to waterdrammer pressure rising, and spending more time in establishing pressure and flow quantity

    模擬表明，閥門過流面積在滿足大於管道截面積40 %的條件下應盡可能小;在管道總長一定並滿足流量要求的條件下，主閥前應採取長而細的管道，閥后則應採用短而粗的管道;上下游微小的壓力波動都會嚴重增大開關閥門引起的水擊，並使壓力、流量的建立需要更長的時間。
  8. The usual method to broaden the bandwidth of the pin diode switch is combining the pin diodes with stub filters : when under reverse bias, the didoe is part of the filter, the transmission bandwidth is broadened ; when under forward bias, the structure of the filter is destroyed, signal is isolated

    Pin二極體開關展寬頻帶的方法一般是把pin二極體結合進短截線濾波器，使pin二極體在反向偏置時作為濾波器的組成部分，以展寬開關在傳輸狀態下的頻帶；當二極體正向偏置的時候，濾波器的結構被破壞，起到隔離的作用。
  9. Our findings are as follows : firstly, the phenomena of thick tails, volatility clustering, leverage effects, are existed in chinese stock markets. bad news affecting is higher than good news ; secondly, it is found from the comparison that the arch type models with student ’ s innovation is more capable to capture characteristics of logarithmic return time series ; thirdly, return of the four share indexes keep in co - integration at a long run ; lastly, the volatility spillover effect between a - share and b - share are tested and there exists a prominent spillover effect from a - share to b - share

    而深市b股發生了變化，從第一階段的非對稱現象不顯著到第二階段的顯著，且跟a股保持同向的風險補償。第四，上證a指對上證b指收益率在短期上具有格蘭傑原因，在b股對境內投資者開放后， a 、 b股的關聯性增強。第五，在第一階段， a股向b股的波動溢出不太顯著，在第二階段滬深兩市a股向b股的單向波動溢出均顯著性存在。
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