isochronic

1.This kind of identity in the absence of argillitization of inmnersion or humid air gas, such as El isochronic, the edges of the clear picture and text will not fade, discolor.

这种标识在没有遇水浸泡或潮湿气体，如哈气等时，图文边缘清晰，不会退色、变色。

2.The authors generalized the basic rules for isochronic correlation by using seismic reflection profile in the SZ36-1 oil field.

文中以绥中36-1油田为例，总结了用地震剖面开展小层对比基本规则。