Therefore, Chinese education is greatly expected by the society, which, however, forms a sharp contrast with the low efficiency of Chinese learning and teaching at present.

因此，社会对语文教育有着很高的期望值，但这与当前语文教学的低效率，恰恰存在着较大的差距。

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It is confirmed that PSO could overcome intrinsic shortcomings of BP neural network, including low learning efficiency, slow convergence rate, being easy to fall into local minima, etc.

经验证(PSO)优化算法可以有效地克服BP神经网络存在的学习效率低，收敛速度慢以及容易陷入局部极小点等固有缺点。

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Then in the second part I helped my students who suffered from low learning efficiency by using effective method and did a research on that.

第二部分选择有效的学习策略对学习效率低下的学困生进行培养研究。

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