The three teaching principles are that teachers should find pleasure in teaching , teach filled with emotion and communicate feeling with the students.

三条教学原则是寓教于乐原则、以情施教原则和情感交融原则； 具体操作是三条原则在中学化学教学中情感教育的实际运用。

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Wildman and Niles identify three principles that facilitate reflective practice in a teaching situation.

怀尔德曼和奈尔斯确定了在教学环境中促进实现反思行为的三个原则。

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Part Three illustrates the educational system and practice from four aspects: running principles, organization system, teaching system and school spirit construction.

第三部分：从办学原则、组织系统、教学制度、校风建设四个方面分析归纳了抗大的教育制度与实施情况。

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