Despite extensive knowledge of the genetic control of AVS development, few genetic lesions have been identified that are responsible for AVS-associated congenital heart defects.
尽管研究人员已经对房室间隔发育的基因控制有了很多认识，但目前还没有确定是哪种基因异常引起房室间隔相关的先天性心脏缺损。
Seismic influence coefficients of structures with active variable stiffness (AVS) systems, corresponding to two different control laws, are compared and analyzed.
对两种不同控制律下变刚度半主动控制结构的地震影响系数进行了比较和分析。
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