摘要
本文证明了，当定义域空间是正则空间时，弱－θ－加细性在闭Ｌ映射下是逆保持的，并给出例子说明，去掉定义域空间的正则性，上述结论不成立。
In this paper,we prove that weak Refinability is inversely preserved under closed-Lindelof mapping with regular domain.We give an example to show that if the domainis nonregular,the above conclusion may be incorrect.
