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闭合高压
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  “闭合高压”译为未确定词的双语例句
     Especially, there is a closed isoline of 588 dagpm controlling the area to the south of the Yangtze River in September and October 2004, it is not inclined to raining.
     2004年秋季长江以南地区受到了闭合高压——西太平洋副热带高压(简称西太副高)的长期控制,形成少雨的天气。
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  相似匹配句对
     HIGH PRESSURE HEAT EXCHANGER
     高压换热器
短句来源
     Forecasting closing overvoltages with a model of fuzzy-rules
     应用模糊模型预测高压电网中的闭合过电压
短句来源
     Treatment of closed soft tissue injuries due to sports movement by hyperbaric oxygenation combined with local medication
     高压氧结合局部用药治疗闭合性软组织运动损伤
短句来源
     Speed Converting of High-voltage Inverter
     高压变频调速
短句来源
     Introducing Closed Developing Software-CDS
     闭合开发软件CDS
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  closed high
The temperature variations of the water, chips, workpiece, tool and surroundings during the closed high-speed machining are then measured.
      
Equations of mass exchange in closed high-vacuum systems are obtained on the basis of the analogy between processes of transfer of molecular particles in a highly rarefied gas and processes of radiation.
      
The influence of open and closed high tibial osteotomy on dynamic patellar tracking: a biomechanical study
      
Coughing or straining evokes reflex bulbocavernosus (BCM) and puborectalis (PRM) muscle contraction, which apparently transforms the vagina into a closed high-pressure cavity [13].
      
Following long hours of closed high-level negotiations, informal consultations and regional meetings, the closing plenary began with Ms.
      
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The barotropic vorticity equation is reduced to a KDV one containing the terms of forcing and dissipation, of which a stationary solution is obtained. It describes a local blocking flow pattern developed under the joint action of nonadiabatic heating, dissipation, nonlinear advection and the linear dispersion. By using the KDV equation, three numerical integrations whose integrative time is longer than 60 model days are performed. The results show that a transient motional form can appear, in which exist low-frequency...

The barotropic vorticity equation is reduced to a KDV one containing the terms of forcing and dissipation, of which a stationary solution is obtained. It describes a local blocking flow pattern developed under the joint action of nonadiabatic heating, dissipation, nonlinear advection and the linear dispersion. By using the KDV equation, three numerical integrations whose integrative time is longer than 60 model days are performed. The results show that a transient motional form can appear, in which exist low-frequency oscillations of strength of blocking high center, whose periods are about two weeks or one month, but the location of high center remains quasi- stationary.

本文将正压涡度方程约化为强迫耗散的KdV方程,求得了该方程的一个定常解.这个定常解描述了非绝热加热、耗散、非线性平流和线性频散共同作用所形成的阻塞流型.在确定性初条件、随机性初条件和随机热源扰动的情况下,积分时间大于60天的三组试验表明:该阻塞流型闭合高压中心位置维持定常,而阻高中心强度的演变显示出清晰的准两周或一个月左右的低频振荡现象.

In order to study the features and the causes of the drought disaster, the drought occurring in the area to the south of the Yangtze River from August to October 2004 is examined by employing the monthly precipitation dataset of 160 stations in China and NCEP/NCAR reanalysis data. At the same time the atmospheric circulation anomaly over East Asia is analyzed to investigate the causes of the drought. The results show that the drought takes place in Guangxi Province as a sign of the heavy drought in August, later...

In order to study the features and the causes of the drought disaster, the drought occurring in the area to the south of the Yangtze River from August to October 2004 is examined by employing the monthly precipitation dataset of 160 stations in China and NCEP/NCAR reanalysis data. At the same time the atmospheric circulation anomaly over East Asia is analyzed to investigate the causes of the drought. The results show that the drought takes place in Guangxi Province as a sign of the heavy drought in August, later it spreads eastward and northward in September, and in October the drought area enlarges and is over the whole Yangtze River valley. With time, the ravage of the drought is aggravative. The drought occurring in the area to the south of the Yangtze River from August to October 2004 is the most severe drought disaster of all from 1951. The interannual change of the precipitation to the south of the Yangtze River is periodic. Besides this, the occurrence and continuance of the drought connect remarkably with the anomalies of the atmospheric circulation over East Asia. The negative anomaly of the meridional water vapor transport appears. The phenomena indicate the meridional transport is weaker from south to north but stronger from north to south than normal. At 850 hPa, the water vapor transport anomaly is strengthened and this kind of situation also urges the development of drought. The analysis of stream field at 850 hPa indicates that a cyclone anomaly lies over the Taiwan Strait. The cyclone anomaly results in a change of the direction of the mixed flow which is made up of three flows (the southeast flow, the cross-equatorial flow and the southeast flow), and the mixed flow that lies over the mainland strengthens the transport of dry cold flow from north to south, which speeds the development of drought. The analysis of vertical velocity at 850 hPa indicates the anomaly of the sinking flow during the drought which is not in favor of rain. The subtropical anticyclone controlling the area to south of the Yangtze River in autumn 2004 influences the development of drought. Especially, there is a closed isoline of 588 dagpm controlling the area to the south of the Yangtze River in September and October 2004, it is not inclined to raining. And in the middle and high latitude area, the positions of the trough and the ridge is favorable for the southward motion of the cold air, which will be propitious to the development of the drought.

利用2004年8~10月的中国160台站降水资料以及NCEP/NCAR再分析资料,分析了2004年秋季发生在中国长江以南地区的严重干旱(简称2004年长江以南秋旱)前兆和发展特征以及秋旱持续期间的东亚大气环流异常。结果表明2004年长江以南秋旱是以8月在广西境内出现小范围干旱为前兆,9月扩展到长江以南中部地区,10月遍及整个长江以南地区而达到鼎盛的一个发展过程。2004年长江以南秋旱事件的发生、发展和鼎盛期都受到了同期东亚大气环流异常的很大影响2004年秋季东南亚上空的整层经向水汽输送出现了显著的负异常,说明2004年秋季长江以南地区上空的整层水汽在经向上由南向北的输送减弱而从北向南的输送加强;850hPa水汽输送的异常加强了从北向南的水汽输送,从而影响了秋旱的发展。结合2004年秋旱持续期间850hPa流场异常分析,2004年秋季850hPa的流场在台湾海峡附近上空出现了一个气旋性的异常环流,它导致了西南水汽及其与越赤道气流和东南水汽的混合气流(10°N~20°N,135°E~150°E)在向北的输送路径上发生改变,并且此混合气流进入内陆从而加强了大陆上空由北向南的干冷气流,进一步影响了秋旱的发展。通过分析...

利用2004年8~10月的中国160台站降水资料以及NCEP/NCAR再分析资料,分析了2004年秋季发生在中国长江以南地区的严重干旱(简称2004年长江以南秋旱)前兆和发展特征以及秋旱持续期间的东亚大气环流异常。结果表明2004年长江以南秋旱是以8月在广西境内出现小范围干旱为前兆,9月扩展到长江以南中部地区,10月遍及整个长江以南地区而达到鼎盛的一个发展过程。2004年长江以南秋旱事件的发生、发展和鼎盛期都受到了同期东亚大气环流异常的很大影响2004年秋季东南亚上空的整层经向水汽输送出现了显著的负异常,说明2004年秋季长江以南地区上空的整层水汽在经向上由南向北的输送减弱而从北向南的输送加强;850hPa水汽输送的异常加强了从北向南的水汽输送,从而影响了秋旱的发展。结合2004年秋旱持续期间850hPa流场异常分析,2004年秋季850hPa的流场在台湾海峡附近上空出现了一个气旋性的异常环流,它导致了西南水汽及其与越赤道气流和东南水汽的混合气流(10°N~20°N,135°E~150°E)在向北的输送路径上发生改变,并且此混合气流进入内陆从而加强了大陆上空由北向南的干冷气流,进一步影响了秋旱的发展。通过分析850hPa等压面上的垂直速度场发现秋旱同期长江以南地区下沉气流异常,这种天气形势不利于降水的产生。2004年秋季长江以南地区受到了闭合高压——西太平洋副热带高压(简称西太副高)的长期控制,形成少雨的天气。除此之外,中高纬地区脊区前方和槽区的后方易于冷空气的南下输送,这在很大程度上也促使了秋旱的发展。

 
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