The main purpose of this research is to study the regional differences and dynamic evolution of the size combination and spatial structure of the Changjiang River port system in Anhui Province.
并运用多元回归分析方法探讨了该港口体系规模组合与空间结构地域差异的成因机制；
Based on the study of modem dynamic and combination of landform, tidal inlet is classified by dynamic geomorphology system.
在现代动力作用和地貌形态组合研究基础上，进行了潮汐汊道动力地貌学分类。
Combination of the dynamic headspace and gas drier, we get the humidity control system which can successfully control the sensor working environment humidity below 10%.
同时使用硅胶干燥剂与动态循环顶空法相结合，可成功地将传感器工作环境的湿度控制在10%以下。
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