grassland sub-ecosystem 草地亚系统
Rooftop garden ecosystem was divided nature ecological sub-ecosystem, society sub-ecosystem and economy sub-ecosystem and studied in this item. And rooftop garden ecological service ability was calculated by estimating the three sub-ecosystems’ ecological service ability.
本研究中将屋顶花园综合生态系统分为：自然生态亚系统、社会亚系统、经济亚系统，分别对这三个亚系统的服务功能进行研究并对三个亚系统进行生态服务功能的价值评估，估算出该屋顶花园生态服务功能价值。
参考来源 - 海口城市屋顶花园（功能型）生态服务功能研究及生态设计·2,447,543篇论文数据，部分数据来源于NoteExpress
Architects can begin the business directive refinement process by leveraging the classification and sub-classifications defined in the business rule ecosystem.
在细化业务指示的过程中，架构师可以先使用业务规则中定义的分类和次级分类。
Hadoop is a terrific tool to have by itself, and there's also an entire, growing ecosystem around it, from sub-projects to cloud-based Hadoop services.
Hadoop本身是一个功能强大的工具，围绕它还有一个完整的、不断扩展的生态系统，可以提供子项目至基于云计算的Hadoop服务。
This model includes two sub-models: one is hydrodynamic model and the other is ecosystem dynamic model.
该模型包括了两个子模型，即水动力学子模型和生态系统动力学子模型。
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