This design is the use of leading correction principle, finally meet the performance index of a control system open loop gain, phase margin, angular frequency requirements.
本设计利用超前校正原理，最终满足对控制系统性能指标开环放大系数、相角裕量、截止角频率的要求。
So Reverse Power control, include open-loop power adjust and closed- loop power correction, is the focus of our study.
功率控制主要指的是反向功率控制，包括开环功率估计和闭环功率校正。
Objective To study the boundary between orthodontic and surgical treatment in correction of anterior open bite.
目的探讨前牙开畸形正畸治疗与外科治疗的界限。
Objectives. To determine if thoracoscopic anterior scoliosis correction with instrumentation affected pulmonary function less than open thoracotomy approaches at 2 years follow-up.
目的。研究是否前方的胸腔镜脊柱侧突矫正手术影响肺组织的功能较传统的开胸手术较小。
Method: 54 cases of surgical correction of the complex midfacial region fractures with open reduction and internal fixation were analyzed.
方法：对54例面中部复杂骨折进行切口选择、手术复位、内固定及术后效果评价。
Method: 54 cases of surgical correction of the complex midfacial region fractures with open reduction and internal fixation were analyzed.
方法：对54例面中部复杂骨折进行切口选择、手术复位、内固定及术后效果评价。
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