This study would provide a theoretical basis for more secure, economic and quality operation of the interconnected power system.

本文所做的研究可为互联电力系统更加安全、优质和经济的运行提供理论依据。

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We truly hope that through our sincere cooperation, the human resources of enterprises can be in their best conditions, and thus to obtain an effective and high-quality operation.

我们殷切的希望通过我们真诚的合作，能够让企业的人力资源得到最佳配置，进而达到高效率，高质量的运作效果。

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His quality of life has improved dramatically since the operation.

手术后他的生活质量大大改善了。

《牛津词典》

Thor's back-office organization has helped Keystone boost its once-struggling quality and service operation and spare-parts distribution.

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Using this mode requires minimal effort and does not sacrifice image quality for simple operation.

ENGADGET: Samsung's PMA gifts: HD pocket camcorders, point-and-shoots with AMOLED screens

But, ironically, the Japanese automaker would never consider outsourcing a quality-sensitive operation like a body shop or paint shop, says Jeffrey Liker, a University of Michigan engineering professor and author of The Toyota Way.

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