上空

During the four years study on the project, we develop a dynamical forecast model that describing the subtropical ridge surface. A new theory on the role of the land-sea thermal difference on the formation of the Subtropical High is advanced. It is concluded that in the summer subtropics over each continent and its adjacent ocean LO, SE, CO, and a double-dominant heating from west to east compose a LOSECOD heating quadruplet. The influence of the Eurasia continent on SH varies according to the seasonal variation. From the ideal numerical simulation it is shown the important role of the Eaiuan continent and the huge topography on the mechanism of formation and mantanence of the SH during the summer. It is verified by the numerical simulation that the extension of the subtropical continent into the tropics greatly enhances the " East Asian monsoon". Through the Rossby energy dissipation theory it is verified that the deep latent convective heating induces the onset of the South China Sea monsoon over the Bay of Bengal. The relationship and mechanism between the precipitaiton over the East Asia and the Subtropicla high is illustrated by the data. It is also found the close phase lock between the east-west shift of the SH and the disturbence of the east wind belt over the tropical troposphere. The interaction between the structure and activity feature of the SH and the Meiyu over the Yangtze-Huaihe river valley is revealed from the data. The numerical simulation verified the impact of the different SH pattern on the path of the typhoon.

本项目的研究发展了描述副热带高压脊面变化的动力模型，提出了夏季副热带地区四叶型非绝热加热分布型及相应环流拼图的创新理论；明确了大陆尺度的海陆热力差异在副热带高压形成中的作用；指出欧亚地形对副热带高压和气候的影响随季节变化而变化，通过数值试验证明春季青藏高原的感热加热对亚洲夏季风的爆发地点起了&锚定&的作用，进一步证实了副热带高压断裂和亚洲夏季风的最早爆发地点发生在孟加拉湾东岸；利用Rossby波能量频散理论证明了孟加拉湾深对流潜热释放诱导南海季风爆发的机制；揭示了东亚季风降水的季节内变化与西太副高的关系及机理；揭示了西太副高与东西风带中扰动之间的相互作用过程，指出西太副高的东西活动与热带对流层上空东风带扰动和中纬度西风带扰动的移动和锁相密切相关；研究了夏季淮河流域梅雨期间副高结构和活动特征及其与江淮暴雨的相互作用；验证了不同副热带高压形态对台风路径的不同影响；通过数值试验证明了欧亚大陆和青藏高原等大地形对副热带高压形成和维持的重要作用。

At a time of shock and mourning—in a country well-accustomed to both—new uncertainties weight heavily in Pakistan.

眼下的时刻，充满了震惊与哀悼，而巴基斯坦人早已习惯这两者。新的不确定性像乌云般深深地笼罩在这个国家的上空。

For many years a war cloud was hovering over Europe.

多年来，欧洲上空战云密布，尖锐的冲突迭起，如隆隆的雷声预示着风暴即将来临。

For many years a war cloud was hovering over Europe.At times sharp clashes, like peals of thunder, presage d the imminent storm

多年来，欧洲上空战云密布，尖锐的冲突迭起，如隆隆的雷声预示着风暴即将来临。

For many years a war cloud was hover ing over Europe.At times sharp clashes, like peals of thunder, presaged the imminent storm

多年来，欧洲上空战云密布，尖锐的冲突迭起，如隆隆的雷声预示着风暴即将来临。

I remember that you said you had to fly, your bird in a war.

我还记得那是您说的，您必须和您的战鹰翱翔与战场的上空。

In past three months, there are still vote-buying, and always the PTOer's voice; but it's because of you that eChina is closer to her ideality of a real democracy.

在过去三个月的议会选举中，贿选并没有得到根绝，PTO的阴霾仍盘旋在e中国上空；然而你们的存在，令e中国离她真正民主的理想更加接近。

The Iraqi Airways service was supposed to resume last week, but was grounded by the volcanic ash cloud over Europe.

伊拉克航空原本定于上周恢复服务，但是由于笼罩欧洲上空的火山灰层而受到延误。

And the wood and the sea sang a song of rejoicing, and his heart sang with the rest: all nature was a vast holy church, in which the trees and the buoyant clouds were the pillars, flowers and grass the velvet carpeting, and heaven itself the large cupola.

那口看不见的、神圣的钟在他们的上空发出声音。&这&声音&也许就是象征&文学创作吧。它有同样感召王子和贫民的灵魂。

By the variety of the air temperature, air pressure, the wind velocity direction of wind...etc. similar from the strong aerodynamics angle in the valley breeze, formation and daytime contrary thermodynamic energy circulation, full elucidation oasis and the sky of the deserts really exist the level air pressure , then cause the vicinity district layer circulation produce, deliver the calories to the oasis to cause improving temperature effect the desert.

从大气动力学角度看气温、气压、风速风向等的变化类似于山谷风，形成与白天相反的热力环流，充分说明绿洲和沙漠上空确实存在着水平气压差，进而导致近地层环流产生，把热量传送到绿洲引起沙漠增温效应。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。