Agricultural Economy Subsystem 农业经济子系统
It is showed that the overall development level of PREE system in Lanxi area increased wavily with subsystems changing differently-the development level of population and economy subsystem increasing continuously, while the environment and resource subsystem declining continuously.
研究结果显示,兰西地区PREE系统整体发展水平呈波状上升,但各子系统变化情况各异,人口、经济子系统发展水平持续上升,环境、资源子系统发展水平则呈持续下降的趋势。
参考来源 - 兰西地区城镇发展与PREE整体演化的动态预测模型·2,447,543篇论文数据，部分数据来源于NoteExpress
At the same time, as a subsystem of the society economy system, real estate has non-linear complex traits.
同时，房地产作为社会经济系统的一个子系统，具有非线性复杂系统的特性。
Search and its advertising economy is only one subsystem of that platform.
搜索和它的广告经济只是这个平台上的子系统。
Any subsystem such as the economy must at some point cease growing and adapt itself to a dynamic equilibrium something like a steady state.
任何次系统，例如经济，必然会在某个时刻停止生长，达到动态平衡，就好像静止一般。
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