“three lines and four districts”的概念、定义、翻译、参考文献-科学参考

单词	three lines and four districts
释义	three lines and four districts Encyclopedia 农学三线四区释 three lines and four districts三线四区 “三线”包括城市开发边界、永久基本农田红线和生态保护红线。“四区”为“三界四区”的简称，主要指允许建设区、有条件建设区、禁止建设区和限制建设区。
随便看	trajectory of the body thrown trajectory, orbit trajectory plan trajectory planning trajectory planning and optimization trajectory sampling molecular dynamics trajectory space trajectory tracking controller Trakai Tralles degree tram trama tram and trolleybus tramegger trammel trampoline court trampoline graph trampolining tramp shipping trams Tramway tranffic design Trang TRAN HUYEN TRAN tranquil flow

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