And without a simple system, constant communication to spread knowledge, and feedback to steer with, it's tough to be brave.

而如果没有简单的系统、没有不断的交流来扩展知识以及没有掌握方向所依赖的反馈，勇敢也就失去了依靠。

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The modern teaching system is directed at promoting the organic integration of teaching and learning and spurring the transfer of knowledge accumulation into communication ability.

现代的教学体系旨在促进教学双方的有机结合，促进知识积累向交际能力转化。

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The friendly communication interface and intelligent study function of expert system are provided, which is convenient for the experiment operator to study the knowledge and accumulate experience.

通信界面人性化，配有专家系统等智能学习功能，便于实验操作人员对实验知识的掌握和经验积累。

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