底排燃气二次扩张原理是进一步提高底排增程效率的新技术途径。
Gas second expansion theory of base bleed is a kind of approach which can increase efficiency of base bleed.
充分利用铅芯橡胶支座隔震结构的局部非线性性质，使非线性隔震结构的时程分析计算效率接近线性动力分析。
Using the local nonlinear property of the isolated structure, the computational efficiency of nonlinear time history analysis of the isolated structure is close to that of linear dynamic analysis.
采用最大熵值法减少风速时程分析在时频域上的信息损失并提高效率。
The maximum entropy method is adopted to reduce the information loss and improve computational efficiency.
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