摆在软件开发者面前的关键问题之一就是质量控制，例如当评价完可行性之后，性能和可靠性就是仅有的两个衡量指标。

It is one of the key challenges of software development that quality properties such as performance or reliability are only measurable after implementation availability.

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在严格的质量控制下，其切割精度·切割速度·可靠性和使用寿命等方面都达到了国际水平，再国产同类设备中处于领先位置。

Under strict quality control, the equipment is up to the international standard and set the pace in the domestic trade in terms of cutting precision, essiciency, reliability and lifetime!

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简要概述了在环境监测质量控制考核中，如何保证生物化学需氧量测定的可靠性和准确性。

The paper talks about how to insure the accuracy and dependability of BOD value when assessing the quality control in environmental monitoring.

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