“stand improvement”的概念、定义、翻译、参考文献-科学参考

单词	stand improvement
释义	stand improvement Encyclopedia 农学林分改造释 stand improvement林分改造综合营林的系列措施，即对在组成、林相、郁闭度与起源等方面不符合经营要求的那些产量低、质量差的林分，含各种各类低效林和低价值林分，进行改良和提质、增效的综合营林措施。
随便看	test protocol test receivers Test Regulation on Digital Archives System test repeatability test report test retest reliability test-retest reliability test rule test run test score test sequence test set tests for cell identification test shed Tests of Controls tests of performance-graded asphalt binder tests of thermal properties test solution test space test specification test standardization test star test statistic test statistics test sufficient σ-algebra

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。