From the structural features of the measuring system, a mathematic model is constructed for the absolutely mechanical follow up system to perfect its operating principle.

根据测试系统的结构特点，建立了绝对的机械随动式测量方法的数学模型，完善了其测量原理。

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Drilling mast being as the key part of drilling equipment, its mechanical behavior is closely related to the safety of the operating drilling system.

钻井井架作为钻机系统设备中的关键部分，其力学性能直接关系到整套钻机系统的安全生产。

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Analysis TDS-11SA whole-life cost, TDS-11SA was divided into 5 mechanical system: host, control systems, rail torque transfer system, operating system and the power and control cables.

针对TDS - 11sa顶驱进行全寿命周期费用分析，将TDS - 11s A顶驱分为5大系统：主机、控制系统、导轨扭力传递系统、操作系统以及动力及控制电缆。

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Under its shiny new skin, new hardware and software, such as a slimmed down version of Apple's OS X operating system and a flash memory drive, instead of the current iPod's mechanical hard drive, could keep the new device thin and light.

FORBES: The Next iPod