“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	starting time starting value starting vertex starting voltage startle reflex start letter start of header character start of header character, SOH character start of text character start of text character, STX character star topology star trail star tree star-triangle equation start separator start-stop converter start symbol startup and adjustment test of steam turbine startup and shutdown test startup lag, boot-strap delay startup of steam turbine start-up of unit start-up/standby transformer start-up system startup water separator

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