论文以湿地系统中的能量流动为主线，绘制出寿光市湿地系统的能流模型图，进而分析了湿地的营养结构特征。
As the energy flowage a masterstroke, the paper protracted the energy flowing mode of wetland ecology in Shouguang City, and analyzed its nutrition structure character.
但是对于那些需要高性能流量和灵活数据模型的应用程序来说，MongoDB值得一看。
But for applications that require high performance throughput and a flexible data model, MongoDB could be worth a look.
由包含弛豫作用的速率方程出发，建立了关于放大器能流密度空间分布最优问题的数学模型。
Based upon the laser rate equations including relaxation between energy levels, the optimum model of a multipass amplifier is constructed.
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