Finally, when there were eight WDM optical input signals, using the black box model and two level model respectively, we simulated the amplified optical spectrum.
最后分别模拟放大系统采用黑盒模型和两能级模型，有八个WDM光信号输入时，放大后的光谱图。
According to the measurement principle of the stabilized heated box, two insulated model heated boxes were built in this thesis.
采用实验热箱法，作者自行制作了两个实验热箱，用来测量材料的传热系数。
A two-span continuous curved box girder model was made with Perspex.
建立一两跨连续曲线箱梁有机玻璃试验模型。
In this paper two kinds of the oceanic carbon cycle models , having been used in the world in-recent years, are briefly described: one is the simple box model;
本文综述了两类近年来国外使用的海洋碳循环数值模式。一类是国外通常使用的比较简单的箱模式；
To resolve the problem of the shear box tilt which caused by the extrusion of fine-grained soil containing coarse particles, two improved model of shear box were designed.
针对含粗粒细粒土残余强度试验中存在的问题对目前在工程中普遍使用的反复直接剪切仪器的剪切盒进行了改进和改进后试验可靠性验证。
To resolve the problem of the shear box tilt which caused by the extrusion of fine-grained soil containing coarse particles, two improved model of shear box were designed.
针对含粗粒细粒土残余强度试验中存在的问题对目前在工程中普遍使用的反复直接剪切仪器的剪切盒进行了改进和改进后试验可靠性验证。
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