HFM怎么记

The wideband active signal detector is presented and simulation is given. The result proves this detector is efficient, and that non-rectangle enveloped HFM signal is the optimal detection signal.

给出了宽带主动信号检测器的形式，并进行了仿真研究，证明宽带检测器的有效性，同时验证了非矩形包络双曲调频信号为最佳检测信号。

The finite element model of the HFM patients were set up, the mandibular distraction procedure was calculated, the path of distraction and stress distribution was simulated. 3.

建立了半侧颜面短小畸形患者下颌骨的有限元模型，并且模拟了下颌骨牵张成骨过程的运动轨迹和骨软组织应力分布情况。

Objective To explore the efficacy of human fetal membranes ( HFM) pressing in combination with infrared irradiation ( II) in treating ulcer stage pressure sores.

目的探讨人胎膜敷贴联合红外线灯照射治疗溃疡期压疮的效果。