Hongkong post launches world s first mobile e - cert system 警队通讯系统位国际前列
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Bit synchronization circuit design for digital communication system 数字通信系统位同步电路设计
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The dynamic performances of the force and location adjusted fashion are satisfactional . the results of theory and experiment are consistent . the results of experiment express the dynamic performances of the hyd raulic hitch are satisfactional to tractor 试验结果表明，采用比例阀的液压悬挂系统位调节和力调节都具有良好的静动态性能，并且与理论分析结果一致，因此能达到对拖拉机农具控制的静动态品质要求。
