mechanical

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mechanical

1.在AltiumDesigner中，Mechanical是指什么板层？2.Mechanical stress plays an important role in the cell proliferation, differentiation, apoptosis, gene expression and tissue grow3.In mechanical systems, power, the rate of doing work, can be computed （） the product of force × velocity.4.A mechanical engineer should be very familiar with computers.5.The whole construction project of Chengyu Railway was under the extremely difficult condition of lacking mechanical equipments.6.With regard to the mechanical properties, metals are typically hard, also relatively stiff and strong when in solid state.