“有效氮”的概念、定义、翻译、参考文献-科学参考

单词	有效氮
释义	有效氮 Encyclopedia 农学速效氮释 available nitrogen有效氮反映近期内土壤氮素供应状况的参数。
随便看	Khanate of Kokand Khanate of Russia-Kokand Treaty Khanbaliq Khandey di Pahul Khangchendzonga National Park Khanglangbhab khan hilit Khan of Heaven Khan Palace at Shenyang Khan Shatyr Entertainment Center Khanty-Mansiysk Khanty–Mansi Autonomous Okrug(Yugra) Khara-Khoto Documents in Yuan dynasty Kharchin Mongolian tales Kharga Kharga Oasis Kharkov University Observatory Kharosthī alphabet Kharosthī script Khartoum North Khasis khatna Khatri Khatun Khavkina Author's Tables

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。