“green for grain project in China”的概念、定义、翻译、参考文献-科学参考

单词	green for grain project in China
释义	green for grain project in China Encyclopedia 理学退耕还林还草工程释 green for grain project in China退耕还林还草工程将水土流失严重的耕地，沙化、盐碱化、石化严重的土地以及产量低而不稳的耕地停止耕种，因地制宜地造林种草，恢复植被的工程项目。
随便看	frequency-following response frequency four-vector frequency fraction frequency function frequency histogram frequency hopping frequency hopping technique frequency hypothesis frequency hysteresis frequency indicator frequency instability frequency interval frequency inversion frequency jitter frequency judge approach frequency jumping frequency locking frequency-locking frequency matching frequency measurement frequency measuring equipment frequency meter frequency meter, frequency counter frequency method frequency mixing

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