mid field 中文意思是什麼
mid field
解釋
中間場-
This paper use the ncep / ncar day - to - day reanalysis data of 500hpa high field and so on, choose ural mountain, baikal, okhotsk as the key district, the mid - high latitude of eurasia circulation courses that have long duration ( scale of time is middle, namely during 10 - 30 day ), maybe continue continuously after being intermittence of 1 - 2 days in middle, appear repeatedly is for research object, define an index " i " of the circulation pattern over mid - high latitude of eurasia. a method is proposed to identify the summer typical persistent circulation pattern at 500hpa levels over eurasia mid - high latitude. the climate characteristics of those typical persistent circulation patterns are studied
本文利用ncep / ncar再分析逐日500hpa高度場等資料，選擇烏拉爾山、貝加爾湖、鄂霍次克海這三個地方作為關鍵區，以夏季歐亞中高緯度持續時間長（時間尺度屬于中間時間尺度，即10 ? 30天之間） 、中間可能會間歇1 、 2天然後又繼續持續、反復出現的環流過程為研究對象，定義了一個夏季歐亞中高緯流型指數，在此基礎上提出了一種對夏季歐亞中高緯500hpa典型持續流型的界定方法，研究了典型持續流型的氣候特徵，分析了流型指數的年代際變化，以及對應不同階段、不同流型的降水場、加熱場、海溫場等的主要特徵。 -
It also explain that the correlation between ssta of kuroshio and the change of wind field in equaroral mid - pacific is results of air - sea interaction ; however, when time comes into summer, the instance status of ocean is different from the last winter to next early springtime, the sea surface temperature turn into the definitive factor, so the increase of heat flux in may to jun month which is realized by absorbing more heat from the sun radiation results in the decrease of sst in kuroshio in the season of jun - jul. finally, during the aug to dec season of next year, the sst of kuroshio is increasing again
最後分析了黑潮海溫與夏季東亞大氣環流及我國降水的時滯關系，發現：當前冬黑潮區域海溫異常偏高時，後期夏季亞洲低壓的強度減弱，西北太平洋副熱帶高壓強度加強，而且位置西伸、偏北，梅雨鋒位置偏南，長江中下游地區降水偏多，北太平洋冬季海域的海溫分佈呈+ 、 - 、 +趨勢（順序為赤道中東太平洋、西北太平洋、我國近海） ；反之亦然。 -
The result is as follows : ( 1 ) cu - ag polymetallic mineralization field lied in the north of lanping basine between jinshajiang fissure and lancangjiang fissure, whose internal mid - axis fissures and different subfissures formed the fissure system of the basin. they were the transport system of the ore - forming fluid, which was important to the formation of copper - silver polymetllic deposits
研究結果表明： （ 1 ）蘭坪白秧坪地區銅銀多金屬礦田位於金沙江斷裂和瀾滄江斷裂的之間的蘭坪盆地的北端，盆地內部的中軸斷裂和不同方向的次級斷裂，構成了盆地的斷裂系統，是成礦流體的運移系統，對銀、銅多金屬礦床的形成具有重要意義。 -
By using ncep / ncar reanalysis data of height and wind, the inter - monthly lpac map, the climate lapc map, inter - annual anomaly map and mean variance map of monthly wind field of 850 and 500hpa and monthly height field of 850, 500, 150, 30hpa are calculated in a globe - belt area, which situates between 30 s and 75 n, from december 1957 to december 1997, according them we analysis the rule of the season transfer and anomaly of nh mean circulation. the results show that the climate map of lapc can describe the seasonal transfer process of large scale circulation better. the advance process of summer circulation establish is form south to north at the middle and lower level of the troposphere, that is reflected primly in the inter - monthly wind and pressure map of lapc ; at lower lever of stratosphere, the establish process is simulate to that of troposphere, and reflect of process of that the south asia high toward plateau ; at middle stratosphere the summer circulation establish begins at middle and high latitude initially, and then transmits to low latitude gradually, while the seasonal variability in mid - stratosphere is stronger than it in troposphere and low - stratosphere
利用ncep ncar再分析高度場和風場資料，計算了30 s 75 n球帶區域1957年12月至1997年12月逐月850 、 500hpa風場及850 、 500 、 150 、 30hpa高度場月際局地型相似系數圖、多年平均圖（即氣候lpac圖） 、年際異常圖及均方差圖，在此基礎上，分析了北半球平均環流季節轉換及其異常的規律。分析表明，氣候局地型相似系數圖較好地給出了大尺度環流季節轉換發生的過程：在對流層中、下部，風、壓場月際局地型相似系數圖清楚地反映了夏季型環流建立由南向北的推進過程；低平流層夏季型環流的建立與對流層接近，其中，南亞高壓上高原過程有明顯反映：中平流層，夏季型環流的建立明顯表現為從中、高緯度開始，逐步向低緯傳播的特徵，且變化較對流層和低平流層明顯。 -
4. for different summer persistent circulation patterns over eurasia mid - high latitude, their background heat field have difference
對于夏季歐亞中高緯的不同持續環流型，其背景加熱場存在著差異。 -
The thesis deals with catholic churches in chongqing area built from mid - 19th century on, including its historical and social background, development process, locations, building styles, and art achievement, especially its creative treatments, in western - chinese style combination. systematical field investigation and analysis reveal that catholic church as built in chongqing area in 19and early 20 centuries, as a part of western architectural culture, developed and changed to yield a variety of architectural form and to become a valuable part of chongqing cultural legacy
本文對重慶（巴渝）地區的近代天主教堂建築的社會歷史背景、發展狀況、地域分佈、建築造型風格特點和藝術成就作了較系統的調查研究和分析，由此展示出重慶近代天主教堂作為西方建築文化的一部分在這一地區的發展和演變，結果產生出豐富多樣的建築形態，成為重慶近代建築文化遺產中具有相當價值的組成部分。 -
Mid - early matured variety, cylindrical shape with shiny pink skin, 30 - 40 cm in length, 5 - 8 cm in diameter, excellent fruit - setting, vigorous growth, suitable for growing in protected facilities and open field
中早熟、豐產、抗病長茄一代雜交種。植株生長勢強，果實長棒形、果長30 - 40厘米、果實橫莖5 - 8厘米、果皮亮紫紅色、有光澤，商品性極好。適宜保護地及露地栽培，可在我國南北方種植。 -
( 4 ) in summer, tropic west pacific ssta decadal change infect precipitation decadal change in south and north of changjiang river maybe by : positive ssta in tropic west pacific weaken the summer monsoon circulation, lead more precipitation in south of changjiang river and less precipitation in north of it, vice versa ; middle north pacific ssta decadal change infect precipitation decadal change in mid - down valley of changjiang river maybe by : when ssta is negative in middle north pacific, the height field in tropic rises obviously, the subtropical high strengthens and extends westward, the northern limit retreats southward, leads upper trough retreats northward and move eastward, meiyu front moves northward, then leads more precipitation in mid - down valley of changjiang river, vice versa ; middle northwest pacific - low latitude mid - east pacific infects precipitation in north china possibly by change the activity of northeast china cyclone
（ 4 ）熱帶西太平洋ssta年代際變化影響夏季中國長江南北降水年代際變化的可能機制是熱帶西太平洋海表溫度正（負）異常減弱（加強）東亞夏季風環流，從而使江南降水增加（減少） ，江北降水減少（增加） ；夏季中部北太平洋ssta年代際變化影響中國長江中下游地區夏季降水年代際變化的可能機制是中部北太平洋海表溫度負異常，將導致熱帶地區高度場普遍增高，副高加強西伸，副高北界南退，致使高空槽北縮東移，梅雨鋒西移北進，中國長江游中游、中卜游降水增多，反之亦反；夏季中高緯西北太平洋一低緯中東太平洋反向距平分佈結構影響中國東北降水的可能機制是低緯中東太平洋海表溫為負異常。 -
But the conflict between them was appeared during our research in field and the discussion with others. it is followed that the former with the rolling bedrock, the mid with mild bedrock and the latter with the stable bedrock relatively. the conflict between two conclusion above arise, what relationship between loess landforms and their bedrock exist
但在野外調查及同其他學者交流中發現兩者並非總體對應一致，顯示出陜北黃土高原南部黃土塬基底起伏相對較大，北部黃土梁狀（為主）丘陵溝壑區及黃土峁狀（為主）丘陵溝壑區基底相對平坦的特徵。 -
The fluctuation of ion beam has been controlled within 20 %, significantly lower than that of 50 - 80 % for external - magnetic field mid of annular configuration and ion diode without magnetic field by using polymer anodes
離子束密度的波動不超過20 ，顯著低於同類陽極的無磁絕緣和環型結構外磁絕緣離子二極體的50 - 80 。 -
For the external - magnetic field mid, the cathode with improved structure works as a " close " magnetic coil that effectively increases the continuity and uniformity of magnetic field, and then ensures the stability of dense anode plasma formation
對于外磁絕緣離子二極體，改進的陰極形成單匝「閉環」磁場線圈，有效地提高了磁場的連續性和均勻性，保證了稠密陽極等離子體的穩定形成。 -
Characterization of an external - magnetic field mid with polymer anode and a self - magnetic field mid with graphite anode operated in unipolar and bipolar pulse mode, respectively, has been performed. it is found that the characteristics of hipib are mainly depended on two crucial factors, i. e. the properties of insulated magnetic field and anode plasma
通過聚合物陽極的單極脈沖模式外磁絕緣離子二極體和石墨陽極的雙極脈沖模式自磁絕緣離子二極體工作特性的實驗研究發現，影響hipib產生特性的主要因素是離子二極體的絕緣磁場性質和陽極等離子體特性。 -
For the self - magnetic field mid with relatively simple structure, the stability of self - magnetic field generated by electron flow is obtained by adjusting the diode gap and the delay time of bipolar pulse. under the combined effect of self - magnetic field and electrical field in the diode, stable and dense anode plasma was produced
對于具有簡化結構優點的自磁絕緣離子二極體，通過調節陰陽極間距保證電子流造成的自磁場穩定形成，同時控制合適的雙極脈沖延遲時間，電磁場共同作用形成了穩定的稠密陽極等離子體。 -
The dissertation gives a comment on the field of energy - transmitting fibers for mid - infrared laser, an introduction to the mechanism of infrared - transmitting fibers in view of radiations and waveguides, and a theoretical analyze of the layer - selecting method for the fibers with multi - layer dielectric films. in view of the properties of sic in the region of mid - infrared, the author has done many works about the energy - transmitting fibers with sic, and summarized as follows : first, it is found that sic is a very good material for the fabrication of power - transmitting fibers for mid - infrared laser, especially for co2 laser that works at 10. 6um wavelength, and sic / sio2 hollow fibers has not been studied in the world for the first time to our knowledge. second, it is pointed out, for the first time to our knowledge, that the hollow fibers with a structure like si / sic / sio2 or ge / sic / sio2 have very good properties for the mid - infrared laser power transmitting, especially for co2 laser
本論文評述了關于中紅外傳能光纖的國內外進展，從光射線理論和波導理論出發介紹了紅外傳能光纖的傳輸機理，從薄膜光學出發分析了多層介質膜傳能光纖的膜層選擇機理等基礎理論，針對碳化硅（ sic ）在中紅外區的特點，在導師侯藍田教授領導的科研組已有成果的基礎上進行了以下幾個方面的研究：發現了sic是制備紅外傳能光纖的良好的紅外材料， sic sio _ 2空芯傳能光纖在國際上還沒有人進行研究：提出了具有si sic sio _ 2和ge sic sio _ 2膜結構的空芯傳能光纖，據我們所知，這種光纖目前在國內外還沒有人進行研究，並對其傳輸性能進行了可行性分析。 -
In this paper, i studied the space - time character of ssw event in the mid and high latitude of the northern hemisphere and its affective factors, by using ncep / ncar re - analyzed day - by - day potential height field, temperature field, u, v and w data field, and monthly average earth probe - toms global grid data of ozone amount
本文利用ncep ncar再分析計劃的逐日位勢高度場，溫度場， u 、 v和w資料場和earthprobe ? toms月平均全球臭氧總量格點資料，對北半球中高緯地區強爆發性增溫（ ssw ）事件的時空特徵及其影響因素進行了研究。 -
Decreasing cell thickness will increase the influence of surface interaction to mid - cell phase transition, and increase the temperature, anchoring field strengths region for biaxial phase. at very high value of hc, phase symmetry in mid - cell lags behind that in surface. keywords : liquid crystal, phase transition, surface energy
對有限厚度液晶盒，減少盒厚可增加表面相互作用對系統的影響，使雙軸相所在溫度區域增加，表面與盒中心液晶的對稱性並非總是同步，當| h _ b |較大時，盒中心液晶雙軸相的對稱性明顯滯後於表面。 -
This paper also probes into reservoir properties of the sand - bodies and suggests that point bar and mid - channel bar sand - bodies can be considered the high quality reservoirs for great oil - gas field, and the formation of oil - gas pool not only be related to reservoir quality of sandbodies, but also to regional tectonic conditions
本文還探討了各類砂體的儲集物性特徵，認為點砂?和心灘砂體是形成大油氣田的優質儲層，而油氣藏的形成除與砂體的儲集物性有關外，主要與區域構造條件密切相關。 -
Because the vacuum interrupter has fully utilized the excellent insulation and putting out electric arc character of vacuum, it became the mainstream and direction of development in low and mid voltage field
真空滅弧室由於充分利用了真空優異的絕緣與熄弧特性，在中壓開關領域中已成為當前的主流及未來發展的方向。 -
From the mid - eighties on, the nfi formerly the forensic science laboratory has been involved in the field of digital evidence. the department of digital technology consists of 25 staff members, most of which are university level engineers in it and electronics
荷蘭鑒證學會（前稱法證科學實驗室）自八十年代中期開始從事有關數碼證據的工作，其數碼科技部共有二十五名工作人員，其中大部份是具備大學程度的資訊科技及電子工程師。 -
To solve the problem of demand scarcity and supply excess since the mid - 1990 ' s, the classic theoretical field explanation is keynes " demand scarcity theory
為求解中國自20世紀90年代中期以來出現的需求不足、供給過剩問題，西方經濟理論的經典解釋是凱恩斯的有效需求不足理論。
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