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Since the extensive application of DMAC as solvent and reaction medium has been increased in textile and paper making fields, the obtained results are very useful in reducing production cost, reproduction expending and environment protection.

鉴于DMAC在纺织生产工艺中反复使用，用量较大，所以本研究结果对于降低成本、扩大再生产、环境保护和三废治理都具有重要意义。

Products are eco-friendly, efficient, energy saving, low cost and broad application characteristics.

产品具有环保、高效、节能、低成本和应用广的特点。

In recent years, the application of floating breakwaters has been more and more brought to peoples attention because of their simple structure, inexpensive cost, nice flexibility to groundwork, easy relocation and so on.

由于浮式防波堤具有结构简单、造价低廉、建造时不需进行地基处理、拆迁容易等优点，近年来其应用越来越引起人们的重视。

To alkyl benzene sulfonate as the main component of synthetic detergent, in the application performance and cost advantages than soap, the rapid development of a wide variety, a large number of production and life applications.

以烷基苯磺酸盐为主要组分的合成洗涤剂，在应用性能和成本方面都比肥皂优越，发展迅速，品种繁多，大量在生产和生活中应用。

So a novel driving scheme for Synchronous Rectification in CCM flyback converter is proposed in this paper; and it can be applied to the flyback converter in the CCM operation and wide input voltage range application. The new driving scheme possesses simple、cost-effective and high efficiency property.

本文深入地分析同步整流反激变换器稳态工作模式，结合峰值电流控制策略，应用状态空间平均方法，建立反激变换器的小信号模型；并依据建立的小信号模型，对控制电路进行优化设计；计算机仿真和实验验证理论预期。

What's more, the system's software and hardware is tailorable, it is appropriate to the application, and it has strict requirement to the function, security, cost, volume, and power consumption.

摘要嵌入式系统是以应用为中心、以计算机技术为基础，软硬件可裁剪，适用于应用系统，对功能性、可靠性、成本、体积、功耗严格要求的专用计算机系统。

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。