早教吧作业答案频道 -->英语-->
maybe it is a bird in the tree的同意句?
题目详情
maybe it is a bird in the tree的同意句?
▼优质解答
答案和解析
It is probably a bird in the tree.
看了 maybe it is a ...的网友还看了以下：
You musn't give the goldfish too much food.(改为同义句 2020-05-16 …
said "Don't play on the road."the policeman to me 2020-05-17 …
关系R和s具有相同的属性个数,且对应的属性取自同一个域。集合{t|t∈R∧t S}标已的是A.R∪S 2020-05-23 …
设关系R和关系S具有相同的元数,且对应的属性取自相同的域。集合{t／t∈R∧t∈S}标记的是A.R∪ 2020-05-23 …
设关系R与关系S具有相同的目,且相对应的属性的值取自同一个域,则R∩S可记作A.{t|t∈R∨t∈S 2020-05-23 …
设关系R与关系S具有相同的目,且相对应的属性的值取自同一个域,则R∪S可记作A.{t|t∈R∨t∈S 2020-05-23 …
设关系R与关系S具有相同的目,且相对应的属性的值取自同一个域,则R∪S可记作 ()。A.{t|t∈R 2020-05-23 …
设关系R和S具有相同的元素,且相应的属性取自同一个域,则集合{t|t∈R∧t S}标记的是_____ 2020-05-23 …
设关系R与关系S具有相同的目,且相对应的属性的值取自同一个域,则RNS可记作A.{t|t∈R∨t∈S 2020-05-24 …
r(A*A^T)=r(A^T*A)=r(A)证明方程AX=0与A^TAX=0同解AX=0显然有A^ 2020-06-10 …