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The article makes a comparison on energy consumption and efficiency between diving mixer and down-umbrella aerator in sewage treatment facilities abroad and at home.

本文对国内外污水处理设备中的潜水搅拌器和倒伞曝气机在能耗和效率方面进行了对比，应用实践证明，国产污水处理设备的能效比远远优于引进及仿制的国外同类产品。

This system can ensure rapid, accurate and safe operation of aerofoil finish machining. The system is more economical in comparison with other field bus control system.

该系统投入运行后，较好地实现了工艺控制要求，测控过程稳定可靠，具有较高的性价比，是一种较经济的测控系统。

Study limitations include retrospective nature, the comparison of sequential groups, and slight differences in aftertreatment protocols.

研究限制包括回顾的本质、连续的群组比较，以及治疗后程序的些微差异，根据我们的程序，非手术治疗的阿基里斯腱急性封闭性断裂患者有实质的效果，而且其并发症可媲美手术患者，但是还需要更大规模的研究更精确地评估阿基里斯腱急性封闭性断裂的治疗。

Partial DNA-A sequence comparison with other geminiviruses showed that G7 were infected with 5 begomoviruses, these viruses were Papaya leaf curl China virus, Ageratum yellow vein china virus, Tomato leaf curl China virus, Euphorbia leaf curl virus and Tobacco leaf curl Yunnan virus.

得到部分G7的DNA一A序列，经NCBI检索和序列比较分析发现了5种菜豆金色叶病毒属病毒的部分DNA序列，分别是中国番木瓜曲叶病毒、中国胜红蓟黄脉病毒、中国番茄曲叶病毒、一品红曲叶病毒、云南烟草曲叶病毒。

Comparison of theN coatings on Al and Mg alloy substrate by AIP

铝和镁合金上电弧离子镀N梯度涂层的比较

S driven for inhalation by air bump, Bid for a period of 5~7 days; comparison was made on the coughing, dyspnea, lung rate missing and the average treatment days.

对2组咳嗽、呼吸困难、肺部噣音消失时间、平均治疗天数进行对照评价。

Secondly,the air damping of CFRP cable of free vibrationg and forced vibration induced by lateral forces of the wind was analyzed and the effect of vibration amplitude as well as wind speed on the damping of CFRP cable was discussed based on the comparison with that of steel cable.

其次，对CFRP斜拉索自振状态及横向静风作用下的空气阻尼特性进行了计算分析，通过与钢索计算结果的对比，讨论了拉索振幅及风速对CFRP斜拉索阻尼特性的影响。

A comparison embarrasses any modern breakbarrel short of an Air Arms rifle.

阿比较尴尬的任何现代breakbarrel航空武器的短步枪。

Also on the south surface water source heat pump systems and air-cooled heat pump performance of the comparison test.

还对南方地区地表水源热泵系统与风冷热泵的性能进行了对比测试。

As far as an airframe comparison goes, both aircraft have their advantages.

至于一个机身比较去，这两架飞机有自己的优势。

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。