Observation, reason and experiment make up what we call the scientific method.
观察，推理和实验，这些内容构成了我们所说的科学方法。
The reason they seize on the appearance and brush aside the essence in their observation of things is that they have not made a scientific analysis of the essence of the overall situation.
所以有这种抓住表面抛弃实质的观察，是因为他们对于一般情况的实质并没有科学地加以分析。
The paper analyzes the problems existed in the design and during operation of the cage crusher, finds out the reason and gives the improving measures through observation and calculation.
分析原鼠笼破碎机在设计上和生产中存在的问题，通过观察与计算，找出原因并提出改造措施。
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