带远程控制装置的两阶段减压阀。
Two-stage pressure relief valve with provision for remote control.
电镜下观察阶段减压后血管内皮细胞形态变化。
The morphological change of vascular endothelium was observed under electrical microscope after decompression.
进行单一阶段腰椎减压手术，首先要避免失误是在错误阶段和错边进行操作。
When performing a single-level lumbar decompressive procedure, the first of all errors to avoid is operating at the wrong level or on the wrong side.
根据疾病的不同阶段，可以选择从微创，如核心减压，到人工全髋关节置换等不同的治疗手段。
Depending on the stage of the disease, options for treatment range from minimally invasive procedures such as core decompression to total joint arthroplasty.
第二阶段是在前一阶段的基础上，根据节流损失最小的原则确定各泵及减压站的增减压值，并转化为线性规划问题求解。
Based on the first one, the second stage was calculating the process parameters according to the principle of minimizing the total loss of choke energy. It is a typical linear programming problem.
第二阶段是在前一阶段的基础上，根据节流损失最小的原则确定各泵及减压站的增减压值，并转化为线性规划问题求解。
Based on the first one, the second stage was calculating the process parameters according to the principle of minimizing the total loss of choke energy. It is a typical linear programming problem.
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