前后的

It achieves a certain extent effect of waterproof and oilproof. 3. Test the change of surface ingredient before and after the fluoridized of the FRP usingthe reflecting method of infrared spectrum. Then dip the fluoridized FRP in the cold water, warm water and petroleum ether for about half an hour, and surface ingredient havent changed too much.

用红外光谱反射法测试了经含氟物处理前后的玻璃钢表面结构变化，并且分别测试了在冷水、温水、石油醚中浸泡洗涤半个小时后的表面含氟处理的玻璃钢的表面结构，发现其表面结构与浸泡前无大的变化。

In the city's streets before and after a long line of cars, and the window of the brush in pelting rain is silent on the ground floor, as it did not stop the tears of time

在城市的街道上，前后的车排成长龙，而车窗外的急雨却无声地刷刷地下着，象停不下来的眼泪的时候

The unirradiated and irradiated samples are analyzed by FTIR, SEM, PGC/MS and TG. At the same time, the gas products after irradiation are analyzed by GC/MS. The relationship of gel fraction of irradiated samples in air with the dose and the compression property and stress relaxation ratio along with the dose are determined.

采用傅立叶红外分析仪、扫描电镜、裂解色谱质谱联用仪以及热失重分析仪等对辐照前后的样品进行了分析，同时使用色质联用仪对辐照后产生的气体进行了分析，并且测定了空气中辐照试样的凝胶含量与吸收剂量的关系以及在室温下试样的压缩性能、应力松弛率与吸收剂量的关系。

Speaking of embarks CVT not to have the section speed change system's vehicles, smooth accelerates the performance from is the born that way special skill, but as a result of product localization difference, very abundant under compares with the Lancer 2.0 liters vehicle types, the dynamic output is livelier, especially around 2,000 rpm slow-speed of revolution territories, the vaccinoid response to be quite agile, therefore drives in the urban district road section is quite relaxed.

对于搭载CVT无段变速系统的车辆而言，顺畅的加速表现自是与生俱来的特长，不过由于产品定位的差异，酷博在与Lancer 2.0升车型相较下，动力输出更为活泼，尤其在2，000 rpm前后的中低转速域，加速反应相当敏捷，因此在市区路段驶来颇为轻松。

The crocking resistance of coatings film is tested by use of adhesive tape, sticking off or peeling off of the marks painted with waterborne or solventborne marking pens.

结果发现表面粗糙度和表面助剂的共同作用可有效防止记号笔对涂层的粘结，粗糙表面的涂层亲水、亲油性对抗粘结作用有较大的影响，涂膜在水浸泡前后的抗粘性效果表现不同。

The Central Committee decided to expel Gao Gang and Rao Shushi from the Party, because their conduct gravely imperilled the interests of the Party and the people and they showed no signs of repentance for their activities or desire to mend their ways in spite of repeated warnings given by the Party over a ''.

党中央决定开除高岗和饶漱石的党籍，因为他们的行为，对于党和人民的利益，有极端严重的危害，并且他们在党的七届四中全会前后的''。

Study limitations include retrospective design, lack of data on the frequency and severity of every hematuria episode occurring both before and after HBO2 therapy, difficulty in quantitating effect on quality of life, and inability to determine whether the frequency of hematuria and the interval between consecutive hematuria episodes affected the therapeutic outcome.

研究的限制因素，包括本项研究为一回顾性的性质；高压氧治疗前后的血尿频率及严重程度等，皆未有资料以供利用；患者的生活品质无法量化；血尿的频率及发作的间隔期是否会对疗效造成影响，无法证实。

Studies on the rural market at home and abroad were retrospected and general theories of the rural market were systematically explained.

论文回顾了国内外关于农村市场的研究动态，系统阐述了农村市场的基础理论，然后对我国改革开放前后的农村消费结构作了详细介绍并分析预测了农村市场的未来走势。在此基础上，论文深入研究了制约农村市场开拓的因素。

In accordance with the problems such as lower cooling effect and corrosion of the water treatment of the cooling water system of ammonia condenser ,the water treatment program of the water quality was optimized,and the water treatment effect before and after the program were summarized.

针对氨冷凝器冷却水系统水处理存在的冷却效果差和腐蚀问题，提出水质处理的优化方案，总结了优化前后的水处理效果，结果表明：使用新方案后，氨冷凝器的冷却效果得到明显的改善，冷凝排气压力降低，氨排压4机运行时为1。

Dynamic balance valve works By changing the balance of the spool valve to accommodate the overflow valve area before and after the change, to achieve the purpose of flow control.

动态平衡阀门的工作原理通过改变平衡阀门的阀芯的过流面积来适应阀门前后的变化，从而达到控制流量的目的。

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。