实践合理性的核心内容是对实践所合乎的“理性”本身的合理性的追问、反思和评价。
The core content about the rationality of practice is reflection and evaluation to the rationality of practice.
教师要想在教学行为上真正体现新课程理论，就必须注重对教学实践的反思。
If they want to really reflect the new course theory in their teaching behaviour, the teachers must first pay attention to reviewing the teaching practice.
技术合理性的实质是依据一定的标准和原则对技术实践活动的价值和意义的反思、评价和规范。
The essential about the rationality of technique is reflection and evaluation of the value and significance of practice according to definite standards and principles.
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