Those changes are made worse by how many older runners spend the bulk of their time-driving to and from work, sitting at a desk and rarely moving outside of a small range of motion.
这些还会因为很多老年跑步者很少使用他们的而恶化——开车上下班、长期坐在办公桌前、很少动弹等。
Make research on the reaction of bulk solid to silo wall and to attenuation of silo structure while the dynamic response of silo models to foundation's simple harmonic motion is calculated.
在计算筒仓模型对地基简谐运动的动力响应时，研究了散体对仓体的作用及散体对仓体的减振作用。
The research results show that the incipient motion and the erosion of cohesive deposits are greatly influenced by the dry bulk density.
研究结果表明：干容重对粘性淤积物起动和冲刷的影响非常大。
The research results show that the incipient motion and the erosion of cohesive deposits are greatly influenced by the dry bulk density.
研究结果表明：干容重对粘性淤积物起动和冲刷的影响非常大。
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