differential strains meaning in English

不均匀应变

So far , many methods have been used for studying the in - situ direction of oilfields and every method has its advantages and disadvantages . this thesis focuses on the method that predicts in - situ stress orientation for wells using differential strain analysis ( dsa ) and palaeomagnetic orientation
目前为止，油田地应力方向的研究方法很多，每种测试技术都有其优点和局限性，本文主要讨论利用差应变分析和古地磁方法结合确定地应力方位的方法。