得到气管内的气体在一个呼吸周期非定常条件下的流动变化，模拟结果与实验观察相吻合。
The results of the change of flow during a single respiratory period were matched with the observance of experiment by other authors.
当非均匀应变场作用在光纤布拉格光栅（FBG）上时，由于FBG周期和有效折射率在沿FBG长度方向都为变量，所以会导致光谱形状的变化。
The spectrum of fiber Bragg grating(FBG) in inhomogeneous strain fields is distorted due to its inhomogeneity of both the periods and the effective refractive index.
目的研究非增生性糖尿病视网膜病变血管内皮细胞的周期变化。
Purpose To study changes of cell cycle of vascular endothelial cell in non-proliferative diabetic retinopathy.
地震观测数据受各种周期性因素影响，其动态曲线表现为周期性变化特征，是大小不同的周期和非周期因素相互作用的结果。
Seismic observation data are influenced by diverse seasonal factors, its dynamic curve appeared as period change feature that is interact results of period or un-period factors.
该算法考虑了RL电路中的暂态电流，假设暂态电流含有一个按正弦规律变化的周期分量和一个按指数规律变化的非周期分量。
RL circuit is taken into consideration, in which the transient current signal includes a period component varying in sinusoidal waveform and a non-period component varying in exponential waveform.
建立了室外空气温度发生周期性变化情况下的复合墙体一维非稳态传热物理模型及数学模型，推导出复合墙体温度分布及热流密度分布表达式。
We aim at the establishment of one-dimensional physical and math model in the multiplayer walls. Heat flux and temperature distribution expression has been reduced and analyzed.
铁路车轮的周期性非圆化将引起车辆-轨道耦合系统一系列动力响应的变化，对系统的各个部件都有着危害性的影响。
Periodic non-roundness of railway wheels will cause a series of variety on vehicle-track coupling system dynamic responses, which has a detrimental influence on both track and vehicle components.
PSK非相干解调法将经延时半个载波周期的接收信号与原接收信号相加，检测出两相邻码元载波相位变化情况，从而解调出数字信息。
Non coherent demodulation for 2PSK detects relation of carrier wave phase of the interval symbol by the (half period of carrier wave) delay and the adder, then the data is demodulated.
分析表明，当由简谐声源所发射的声波在一维非稳定流中传播时，对于某一确定位置，其声压幅度除随时间周期变化外，还受到M和（?）
When a harmonic wave propagates in one-dimensional unsteady flow, the wave amplitude at any x-position will be related with Mach number M and (?)
分析表明，当由简谐声源所发射的声波在一维非稳定流中传播时，对于某一确定位置，其声压幅度除随时间周期变化外，还受到M和（?）
When a harmonic wave propagates in one-dimensional unsteady flow, the wave amplitude at any x-position will be related with Mach number M and (?)
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