Up to that point, chapters 1 through 4 cover the general scientific method, experiment and observation, and simple systems and definitions.
到现在为止，第1章到第4章介绍了一些通用的科学方法、实验和观测，以及一些简单的系统和定义。
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。
Experiment a method better than general of observation method, consumedly strengthen the active that people obtain sensitive faculty material and feeling carnal knowledge.
试验方法优于一般的观察方法，大大加强了人们获取感性材料和感性经验的主动性。
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