It is necessary to do further study and development on the pine cone.
有必要对松果进行进一步的研究和开发。
Therefore, it's of great necessity to do further study of school-based training mode, no matter theoretically or practically.
因此，无论理论上还是实践上，都有必要深入开展校本培训模式的研究。
Therefore, it's of great necessity to do further study of school-based training mode, no matter theoretically or practically.
因此，无论理论上还是实践上，都有必要深入开展校本培训模式的研究。
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