In nature, operation research or management science is still 'an artificial science '.
本质上，管理运筹学仍然是一种人为科学。
Objective to discuss nursing care of total artificial knee arthroplasty before and after operation.
目的：探讨行人工全膝关节置换术的术前、术后护理。
At the same time, single machine operation, greatly improve the efficiency of artificial.
单人同时操作2台机器，大大提高人工效率。
The operation to implant the artificial heart took two hours.
人工心脏植入手术花费了两小时。
Objective: To investigate the biomechanical performance of individualized design artificial knee joint after surgical operation.
目的：探讨个性化设计的人工膝关节植入人体后的生物力学响应。
Objective: To investigate the biomechanical performance of individualized design artificial knee joint after surgical operation.
目的：探讨个性化设计的人工膝关节植入人体后的生物力学响应。
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