By model experiment, the parameters of slit holder are optimized turning to variance analysis theory of mathematical statistics in order to guide engineering project.
通过模型试验，运用数理统计的方差分析理论对切缝套管的参数进行技术优化，以指导工程实践。
The mathematical model of slab stayed bridge for dynamic analysis is discussed with a railway slab stayed bridge project as an example.
以某铁路斜拉板桥方案为例，探讨斜拉板桥的动力分析模型。
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