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A low cost portable upper atmospheric sounding system used by both balloon and m icrorocket is presented, which has much lower ratio of signal to noise and wid er bandwidth.

本文介绍通过提高接收系统的信噪比同时采用宽波束接收天线，研制了一套低成本、轻便式高空大气探测简便系统。

In this paper, the structure characteristics of atmospheric boundary layer have been studied over Lanzhou in winter by combining numerical simulation method with analysis of the data which was observed by sounding balloon during the collaborative project "Study on air pollution and countermeasure in Lanzhou" supported by Gansu Government and Chinese Academy of Sciences.

本文利用甘肃省政府和中国科学院的科技合作项目"兰州市大气污染及对策研究"所获得的系留气球探空资料，并且结合数值模拟方法，对兰州市冬季大气边界层温度场特征进行了对比分析，结果表明：在没有特殊天气过程的典型冬季代表性时段，山谷城市兰州逆温边界层结构无论白天或夜间都存在，而且经常出现多层逆温和白天的脱地逆温情况，只有当冷空气过境时，逆温现象才减弱或消失；与观测结果相比较可以看出，数值模拟结果基本上反应了温度场的主要特征。

The main results are as follows:（1） the distance a sounding balloon drifts during operation is a lot longer than that is accepted as a horizontal resolution by present numerical models;（2） the positioning scheme presented for sounding balloons is basically applicable to a resolution of 10 km × 10 km;（3） on the whole, the position correction leads to the fact that the resulting analytic increment field is one order of magnitude smaller than the original;（4） analysis of the model predictions shows that soundings, when positioned,leveled soundingswould improve predictions.

结果表明：探空气球在施放过程中的漂移距离远远超过目前数值模式可取的水平分辨率；所设计的探空气球定位方案对水平分辨率为10km 10km的数值预报模式基本是可用的；总的来讲，位置订正对分析增量场的改变与原分析增量场相比小一个量级。模式预报结果显示，探空资料的定位使降水预报效果得到了改善。

Sail over the spinifex plains in a hot air balloon or bike ride to Simpsons Gap.

乘热气球在长满三齿稃的平原上空飞翔，或骑自行车到辛普森峡谷。

Sail over the spinifex plains in a hot air balloon, bike ride to Simpson's Gap or join a safari of quad bikes through bush tracks.

乘坐热气球在长满三齿稃的平原上空飞翔，骑自行车前往辛普森峡谷(Simpson's Gap)，或加入四轮摩托探险队穿行于丛林小径。

Description: Plastic squeezable toy in the form of a red and yellow air-balloon.

塞浦路斯通报中国生产的 K's kids 牌塑料吹气玩具，货号为 KA 10367P ，条码为

Jackson was declared dead a little more than two hours after paramedics were called. Evidence of the desperate struggle to save the star were evident on his body. He had chest bruising and cracked ribs from CPR, and a mechanical device known as a balloon pump was inserted into his heart to try to restart it, according to the autopsy report.

根据验尸报告，MJ在护理人员到场超过两小时后才被宣布死亡，从MJ胸部的挫伤及肋骨折断的情况来看，明显地是为了救MJ时施用心肺复苏法而造成，另外一个机械的装置名为气囊泵，插入了他的心脏，试图令他心脏重新跳动。

Small balloon for the dislodged stent is a safe and effective method.

小球囊收取脱落支架是一种安全、有效的方法。

When his career as an author progressed slowly, Verne turned to stockbroking, an occupation which he held until his successful tale Five Weeks in a Balloon.

他的作家生涯发展缓慢，于是转行去做股票经纪人，这一职业一直持续到他成功完成作品《气球上的五星期》。

Mother did not dare to go into the house, facing my house sitting at stone roller in the threshing ground before the village, holding a dirty balloon.

娘不敢进家门，却面对着我家，坐在村前稻场的石磙上，手里还拿着个脏兮兮的气球。

But GST= 0.156, Nm=1. 588. As a result, the foundation of Youyongchi Avicennia marina population was the result of the migration of hypocotyles and human factors.

这项工作可以为海岸防护林中新引进种类的判定以及为研究种群建立者效应方法的确定提供科学依据。

The two-dimensional CDRC-ADI-FDTD update equations for collision unmagnetized plasma are induced. The unconditional stability of the CDRC-ADI-FDTD formulation for collision unmagnetized plasma is obtained by the examples.

推导了碰撞非磁化等离子体中的二维CDRC-ADI-FDTD迭代公式，并用算例验证了碰撞非磁化等离子体CDRC-ADI-FDTD算法也是无条件稳定的。