| 单词 | essential principle |
| 释义 | essential principle An essential principle was established: governments can, do, and should change. Times, Sunday Times We believe that an essential principle for all education reform must be that it raises educational standards. Times, Sunday Times When designing learning environments, there are some essential principles that should be in place. Retrieved from Wikipedia CC BY-SA 3.0 Second, a set of concepts are listed, organized into six to nine big ideas or essential principles. Retrieved from Wikipedia CC BY-SA 3.0 Pierce believed in a hierarchical society governed by what he saw as the essential principles of nature, the survival of the fittest. Retrieved from Wikipedia CC BY-SA 3.0 |
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