我国警察实施情感激励具有必要性和可行性。
It's necessary and practical to implement emotional encouragement among Chinese police.
从理论上论证了我国实施小班化教育的必要性和可能性。
It demonstrates in theory the necessity and possibility of having small class education in China.
因此，本课题的研究与实验有其实施的迫切性和必要性。
Thus, it is urgent and necessary to study and experiment this research.
因此，本课题的研究与实验有其实施的迫切性和必要性。
Thus, it is urgent and necessary to study and experiment this research.
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