第二，传统农业生态系统常处于氮约束和水约束状态。
Second, traditional agroecosystem is usually at N-Limitation and water-limitation.
我们正往古老的传统的农业生态系统中注入新鲜血液，这看起来确实很酷。
We're bringing new blood into the old, conventional farming ecosystem, which is really cool to see.
FSES引入数据库关联技术，结合传统的产生式规则法和框架法等人工智能技术，建立了以关系型知识库为主的农业生态系统知识库体系。
The FSES adopted relation database system and interrelated knowledge presentation technology in combination with production rule and frame system. An uncompleted fuzzy reasoning was applied in FSES.
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