按照剪切滞后理论和应变硬化规律，研究微复合材料的变形和应力状态。
The deformation and stress condition of the micro-composite are studied according to the shear-lag theory and strain-hardening law.
在这种新的环境下，维护维修理论与实务的相对滞后问题日益凸显出来。
Under this new circumstance it is evident that the relatively lagging of maintenance theory and practice have become a problem.
我国的保安处分研究相对滞后，对保安处分理论和制度曾一度加以排斥。
The security measures of our country is lagging behind action research on action theory and system of security had to be excluded.
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