The experiment result indicates that increasement rate of reinforcement in ultimate strength is influenced by the value and overload of the percentage of reinforcement.

试验结果表明：外贴纤维布加固超载后裂损的钢筋混凝土梁加固效果的主要影响因素是预加荷载幅值和配筋率。

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The cause of occurrence of power overload and the unstable curve of head-flow volume for low rate ratio pumps was analyzed in this paper. Some methods, then, were presented to solve the problems.

分析了低比转数离心泵出现不稳定扬程-流量特性曲线及功率过载的原因，提出了相应解决办法。

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The paper discusses the relationship between heart rate survey and overload training recovery , which can be used for coach to train some sportsmen in order to improve their level.

通过探讨心率与超量恢复的关系，阐述超量恢复的一般原理，旨在为进行业余训练的教练员，为提高运动员的运动水平提供一些有益的启示。

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