A result from B是A导致B还是相反?
A result from B是谁导致谁?
result from ,result in ,as a result
是distinguish A and B还是distinguish A from B还是distinguish from
as a result of ,result in ,result from 的含义
distinguish a from b
tell A from B
a与b是一对相反向量则可记作
result from与as a result of的区别
as a result of 和result from有区别吗?
拐角是a还是b
若A B互为相反向量 那A=-B
as a result和as a resulto of和result from和result in的区别