In the first section : the concept of stratified completely t2 separation is introduced in l - topological spaces . it is a l - good extention , a invariant of weak homeo - morphisms , and it is hereditary , producible 第一节的内容是：在l -拓扑空间中引入一种层完全t _ 2分离性，它是一般拓扑中完全t _ 2分离性的l -好推广。
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