本文利用空间价格梯度场模型分析了森林认证对关税壁垒的替代效应，并在最后提出了相关建议。
This paper analyzes the substituting effect of forest certification against tariff barriers using a space-price gradient model, and gives Suggestions.
文章对含i型裂纹的正交各向异性功能梯度材料板沿其板厚的弹性常数表达式呈指数函数变化时的应力-应变场进行分析。
In this article, the fracture analysis on mode I crack of orthotropic functionally gradient materials is studied, under which the elastic constants changed exponentially along thickness of the plate.
以某小区为例，对其风环境进行了数值模拟计算与分析，引入梯度风的概念，指出了小区内建筑分布对小区风场的影响。
The wind environment of a district is calculated and analyzed with numerical simulation, the concept of gradient wind is proposed to explain that buildings' distribution affect the wind field.
研究了毛细管电泳的相关基础理论，从理论上较深入地研究分析了传统的毛细管高电压分离模式与本文所采用的低电压运动梯度场分离模式。
The relative theory of capillary electrophoresis has been studied. The low voltage separation models with moving grade electrical field and high voltage separation model have been discussed.
通过分析认为，送风温度的变化对于整个试验区域速度场和温度场的梯度变化影响较小，而送风速度的变化则影响较大。
It was concluded that change of air supplying temperature has a little influence on the gradient of the velocity and temperature.
通过数值算例，分析了材料性质的梯度变化和板厚对温度场分布的影响。
With the variation of material graded distributions and plate-thickness, the influence of the temperature field distributions of the circular plate was studied through a numerical example.
通过数值算例，分析了材料性质的梯度变化和板厚对温度场分布的影响。
With the variation of material graded distributions and plate-thickness, the influence of the temperature field distributions of the circular plate was studied through a numerical example.
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