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Therefore, when the piston is pushed up in the cylinder, the air in the cylinder is trapped above the piston and compressed.

因此，当活塞在气缸里被推动向上时，气缸内的气体便被集聚在活塞上面并被压缩。

A comprehensive maintenance tactics system is therefore established,with strategically guiding significance to the air fleet management and to the comprehensive maintenance of airlines.

因此，以分析失效故障的原因，制定系统的预防措施，作为航线维护程序的补充和技术管理的参考策略，将显著提高并持续改进 A PU 的航线使用维护水平，提高在翼使用时间和派遣可靠

The threat that modern fleet met with mainly from the air,and the radar plays a very important role in fleet air defence,therefore,how to meet the requirements of the fleet to the radar in air defence operation becomes a very important direction of shipboard radar development.

现代舰艇编队受到的威胁主要是来自于空中，而雷达在舰艇编队防空中扮演着非常重要的角色，因此，如何满足舰艇编队在防空作战中对雷达的需求也就成为舰载雷达发展的一个重要方向。

According to the influence of air pollutant source parameters, weather factors, approach underlying surface layer and non-linearity reaction, the correction coefficient is to modify final simulate value, which perfectly resolves the problem of the result probability and complexity actually. Therefore, the result of the model is more reliable.(2) Long-term monitoring average concentration isoline map and simulating air pollutant concentration isoline map are drawn by drawing function of surfer 8.0 software.

本研究提出的长期平均浓度模型的预测值与实测值的相关系数r=0.813在α=0.05下通过检验，且验证的样本量大，计算结果具有代表性，为湛江市郊区环境空气质量全面预测和污染防治提供理论依据，该模型亦可进而推广应用于SO_2、NO_x、CO等大气污染物的扩散状态研究和计算。

Therefore, outlet air temperature tends to decrease as air mass flow rate increases.

因此，流出气流的温度呈现出随气流量的增加而降低的趋势。

It is reported that this home air conditioning plant production has therefore been affected, and if this situation continued, the annual output will be reduced 20%~30% plan.

据悉，这家空调厂的生产，已经因此受到了影响，如果这种状况延续的话，全年的计划产量将会减少20%～30%。

Therefore, we also provide other air and sea transport about related services.

因此，我们也提供其它关于空运和海运相关的服务。

These air-breathing organisms are not dependent on high and are generally pollution tolerant, and can therefore live easily in water of poor quality

对污染物敏感的微生物仅见于急速流动的冰凉的溪水中，因为溪水中污染物很少，溶解氧较高。

Therefore, a high-quality air-cooled heat sink is still the best product to meet user requirements.

所以说，一款高品质的风冷散热器仍然是目前最能满足用户要求的产品。

We, therefore, request you to forward it by airfreight.

因此我方要求贵方空运。

As a dominant party,CPC government should play a guardian,supervisee and guarantee role to overcome all the difficulties in the development of charitable cause and bring it into full play in the establishment of harmonious society on policies and regulations basis.

在中国共产党的文献中第一次把发展慈善事业提到&最广泛最充分地调动一切积极因素，不断提高构建社会主义和谐社会的能力&的高度来认识。近年来，社会学界对慈善事业的理论专著发表较多，有鉴于此，笔者不揣浅陋，谈谈自己的认识和见解。

Flow through the land, the land of the scale of operation allows the effectiveness of the land may be raised.

通过土地的流转，土地的规模经营可以让土地的效益得到提升。