WD Raptor 74 GB 硬盘采用液态动力轴承（Fluid Dynamic Bearings） (FDB)，以降低噪音和提高长期的可靠性。
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流体动力轴承 FDB ; Fluid Dynamic Bearing
铃动力轴承 hydrodynamic bearing ; film lubrication bearing
空气动力轴承 aerodynamic bearing
液体动力轴承 Fluid Dynamic Bearing ; hydrodynamic bearing
动力输出轴轴承 power take-off lever bearing ; off lever bearing ; power take-off bearing
推力滑动轴承 thrust bearing
主动磁力轴承 active magnetic bearing
自动调整式推力轴承 pivoted shoe thrust bearing
被动磁力轴承 Passive Magnetic Bearing
连接在蒸汽机上的旋转式发动机使轴承转动，机器得以驱动，从而使得利用蒸汽动力纺线和织布的工厂出现。
A rotary engine attached to the steam engine enabled shafts to be turned and machines to be driven, resulting in mills using steam power to spin and weave cotton.
刚度系数和阻尼系数是反映滑动轴承动力响应特性的重要的特性系数。
Stiffness and damping coefficients are important characteristic. Coefficients that reflect the dynamic respond characteristics of journal bearings.
这款9.3英寸长的空气动力学传家宝式玩具拥有玛瑙心车轮、严丝合缝的轴承和不锈钢轴，可由这一代传给爱车的下一代。
The 9.3-inch-long aerodynamic heirloom toy, with its carnelian-core wheels, precision bearings, and stainless steel axles, is built to be passed down from generation to car-loving generation.
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