Compared with the small gate, the tensile strength and impact strength of PP/CaCO3 composites by vibration injection molding under the middle gate and the large gate increase notably.
相对于小浇口，中、大浇口条件下动态注射成型复合材料的拉伸强度、冲击强度均有明显的提高；
The scheme accomplishes range tracking by adopting three range gate tracking to make middle gate always centered at echo pulse center through feedback circuit and deviation calculation circuit.
该方案采用三波门跟踪，通过偏差计算电路和反馈控制电路使中间波门中心始终对准目标回波脉冲中心，完成距离跟踪。
The scheme accomplishes range tracking by adopting three range gate tracking to make middle gate always centered at echo pulse center through feedback circuit and deviation calculation circuit.
该方案采用三波门跟踪，通过偏差计算电路和反馈控制电路使中间波门中心始终对准目标回波脉冲中心，完成距离跟踪。
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