实验目的是证明现行的工程梁理论，这种理论定义了中心线变形和普通应力的极值。
The objective is to verify the predictions of engineering beam theory in so far as that theory defines the centerline deflection and extreme values of the normal stress.
没有哪个普通人够做到像梁旋、张春那样，我必须感谢他们两个，他们坚持不懈地制作出了这部影片。
No any normal people will do things like what [Xuan and Chun] do, I have to thank the two special people who've made this film for their endurance and persistence.
结果表明，高强次轻混凝土梁比轻集料混凝土梁的抗剪承载力有较大的提高，且比普通混凝土梁的抗剪强度大；
The tests indicated that the ultimate shear strength of it was a little larger than normal-weight concrete beam's, and larger than lightweight concrete beam.
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