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- The active region of lasers have been designed and optimized. 结合材料生长条件，对激光器的有源区进行了优化设计，为激光器的研制打下了基础和提供了理论依据。
- Tectonic movement of Keping block is strong and concentrative active region of Xinjiang M(subscript S)6 earthquake. 柯坪块体内构造运动强烈，它是新疆6级地震主要活动区之一。
- Active faults or tectonic lines are clear boundaries between a very active region and a quiet region. 活动断层或构造线是强烈活动已和平静区之间的清晰边界。
- It is a geologically active region that includes glaciers, volcanoes and earthquakes, all of which have produced a spectacular but harsh landscape. 它是一个地质活跃的地区，它境内涵盖了冰河、火山及地震，这所有的一切造就出了一个壮观但恶劣的陆地景色。
- In addition, high gain and fast response can be obtained by increasing the length of the active region of SOA. 加长半导体光放大器有源区长度可获得更大增益,同时提高了器件的响应速率。
- InGaAs/GaAs acting as the active region of MQW SEED to gain 980nm work wavelergth has been introduced. 采用 In Ga As/ Ga As作为多量子阱 SEED器件的有源区 ;从而获得了 980 nm工作波长 .
- Transcriptionally active regions are replicated first. 转录活跃区域先复制。
- The sand area in Yulin lies in the southeast of the Maowusu desert,which is the most active region,where the Maowusu desert migrates to the southeast. 榆林沙区地处毛乌素沙地的东南部,属毛乌素沙地向东南移动的最活跃地段。
- Finally, we advanced an assumption to explain that thick active region had lower dark current and used the program to simulate the experiment result. 最后我们提出一套理论解释较厚的主动层具有较低的暗电流，并利用程式来模拟实验结果。
- The advantage of this method lies in that there is no need to measure the parasitic network separately and estimate the circuit parameters of active region. 结合激光器的等效电路和速率方程分析,避免了单独测量寄生网络和估计有源区电路参数。
- A qualitative explanation for the above anomalous polarization charac-teristics is presented in view of the stresses and photoelastic effects in the active region. 本文从激光器有源区内应力分布和光弹性效应的观点,对此异常的偏振特性作出了定性解释。
- This paper introduces the electric current magnifying coefficient of double pole triode which works in the reverse active region and compares with its positive active region. 通过对有源区放大系数的分析，导出了双极型三极管工作在反向有源区的电流放大系数，并与正向有源区的电流放大系数进行了比较和分析讨论
- California is one of the most seismical active regions in the world. 加州是世界最大的地震活动地区之一。
- California is one of the most seismically active regions in the world. 加利福尼亚是世界上最活跃的地震活跃区域之一。
- From this analysis, we see that the magnetic field extending to the lower coronal region is approximately the potential field during the steady period of an active region. 这说明,日面活动区在其稳定发展阶段,延伸至低日冕部分的磁场是一个势场。
- Theoretical analysis shows that the conversion speed of the wavelength converter is dependent on the lifetime of photon and photon density in active region. 理论分析表明 ,激光器型全光波长转换器的转换速度取决于激光器光子寿命以及激光器腔内的光子密度。
- An active region with a bipolar sunspot is formed when the magnetic flux ring of the sunspot rise to the solar surface from the depth of solar convection zone. 当太阳黑子磁环从太阳对流层深层上浮到太阳表面时,便形成了一个双极黑子群的活动区。
- The sand area in Yulin lies in the southeast of the Maowusu desert, which is the most active region, where the Maowusu desert migrates to the southeast. 摘要榆林沙区地处毛乌素沙地的东南部，属毛乌素沙地向东南移动的最活跃地段。
- At last, we could embed grating in to QWIP, the grating was much closer to the active region of QWIP.More quantity of exited wave absorbed to enhance responsivity. 最后我们发现将金属光栅埋入元件，也就是让光栅靠近QWIP的作用区，可以提高响应；
- For an SOA with an active region with a wide material gain spectrum,an optimal antireflection coating helps to realize an SOA-based incoherent optical source with a high... 而在采用具有宽带材料增益谱的有源区基础上;结合抗反膜的优化设计;则可以获得既宽又平坦的非相干光源.
