But a good engineer also knows not to waste time writing trivial or redundant tests, instead focusing on testing the essential parts of each component.
但优秀的工程师也知道，不应该浪费时间写那些琐碎或多余的测试，而需要专注测试各个组件中的核心部分。
Re-using household waste must be an important component of any modern, efficient and green economy.
回收生活垃圾将是任何现代、有效和环保经济的一个重要组成部分。
As a result of low heating value and unsteady component, ignition and combustion of Municipal Solid Waste (MSW) are difficult using conventional methods.
我国城市垃圾有热值低、成分不稳定等特点，因而按常规方法不易点火和稳定燃烧。
Many years engaged in waste materials of various, scrap metal, plastic, electronic component electronic feet.
多年来从事各种废旧物资，废金属、塑料、电子元件电子脚。
It notes the impact of excessive exposure to each chemical component of the waste is likely to be known, but the consequences of the cocktail of these chemicals on humans is still unknown.
该报告指出，或许我们可以知道过度暴露在废物中每一种化学成分中的影响，但是所有化学成分混合到一起对人类产生的影响是未知的。
The paper introduced the output and component of solid waste in Shanghai in recent more than 10 years, and made a prediction about the output and component changes in the future.
介绍了上海市近10多年生活垃圾产生量及成分，并对今后垃圾产生量及成分变化进行了预测分析。
By using the gel property of FGD -gypsum, mixing it with waste material from thermal power plant in a certain proportion can generate a component similar to hydrated product of cement.
利用脱硫石膏的胶凝性能，将之与火电厂废弃物按一定比例混合后，能产生与水泥水化产物相似的成分。
Recovering effective component from hydrogen storage alloy waste materials and scrap materials will be assistance of both recycling recourse and reducing its pollution on environment.
贮氢合金生产中的废料和边角料的回收，既实现了对资源的循环利用，又减少了废料对环境的污染。
Recovering effective component from hydrogen storage alloy waste materials and scrap materials will be assistance of both recycling recourse and reducing its pollution on environment.
贮氢合金生产中的废料和边角料的回收，既实现了对资源的循环利用，又减少了废料对环境的污染。
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