People want to surround themselves (or their loved ones) with the things they hold dear, whether that’s their cell phone and headset or some family photos, a fishing rod, a piece of treasured jewelry.
人们想用持有的贵重之物围绕着放在自己或者心爱的人身旁,不论是手机,耳机,鱼钩还是一串珍珠。
The relationship between the pulling coefficient and the width of pull contract for rolled piece was derived by means of establishing flow equation during continuous rod rolling.
通过建立线材连轧流量方程，推导出拉钢系数与轧件拉缩宽度的关系式，并借此分析高速线材头尾超差问题。
The axial stability of impacting an elastic rod with constrained length by a rigid piece with initial velocity is analysed.
对具有初速的刚性块与有限长弹性杆轴向冲击的稳定问题进行了分析。
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