“tree substitution”的概念、定义、翻译、参考文献-科学参考

单词	tree substitution
释义	tree substitution Encyclopedia 文学树邻接语法释 tree substitution树替换操作在树邻接语法中，用一个推导树β替换初始树α而建立一棵新树的过程。
随便看	missing asteroid missing at random missing baryon problem Missing Baryons missing carbon sink missing comet missing completely at random missing data missing data imputation missing data in clinical trials missing data in epidemiologic studies missing data mechanism Missing Deceased Sister missing dollar paradox missing experimental unit missing mass missing mass problem missing observation missing order missing plot technique missing pulse missing satellite problem missing value missiology Mission

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