从整个资源使用的角度来看，即使在穷国，新技术也可能优于老技术。

From the standpoint of overall resource use, the new techniques may be superior to the old, even in the poor country.

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从使用的角度，论述了粉末涂料在管道、建筑、交通等领域的工程项目上的应用情况。

The applications of powder coatings in projects of pipe engineering industry, construction industry, and transportation industry have been described.

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以常用的典型型材为例，从塑料异型材组装和使用的角度，探讨如何完善塑料异型材模具的设计。

Based on typical profiles in common use, how to perfect design of plastic extrusion die was discussed from the point of view of plastic profiles assembly and application.

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But the problem is if you use the word "Language" impossibly, incredibly broadly, then from a scientific point of view it becomes useless to ask interesting questions about it.

但问题是,如果你无限宽泛地使用"语言"一词,那么从科学的角度来看,探究语言就变得毫无意义了

耶鲁公开课 - 心理学导论课程节选

I'm using the fact that when you take a cosine and change the angle inside the cosine, it doesn't care. whereas, if you go to the sine and change the angle inside the sine, it becomes minus sine.

我用了一个结论,当你使用余弦函数时,改变角度的正负,函数值不变,而对于正弦函数,改变角度的符号,则函数值也会变号

耶鲁公开课 - 基础物理课程节选