...d Cracks) 模式,将钢筋分布于混凝土单元中,假定钢筋和混凝土之间有效粘结;有些研究 中还用“拉伸强化(Tension Stiffening)”的概念来考虑裂缝之间混凝土对受拉的贡 献。这一阶段的研究和应用都取得了很大的进展,但总体而言仍处于探索阶段。
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拉伸并强化你身体的每块肌肉。
It stretches and tones up just about every muscles in the body.
我爱普拉提。我做普拉提的次数大概比其他任何锻炼都要多,它真的是太棒了。普拉提能够真正拉伸并强化肌肉,却不会让肌肉变粗壮。
I love Pilates. I do Pilates probably more than any other workout, and it's just great because it really lengthens and strengthens the muscles without bulking too much.
能提高心肺功能,强化腿肌和增强臂力,能有效拉伸腿部韧带,促进骨骼发育,有利增高。
Besides, it is able to enhance heart and lungs function, strengthen crureus and muscle, stretch ligament of leg effectively, promote the growth of ossature, and then is beneficial to be taller.
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