为了纠正这种状况，经过多年失败的尝试后，3月8日参议院通过了专利法的修订，这是自20世纪50年代以来最大的一次修订。
After years of failed attempts to remedy the situation, on March 8th the Senate passed the biggest overhaul to patent law since the 1950s.
通过虚功原理和单位荷载法分析了均布荷载作用下一次超静定梁的弹塑性加载及变形过程。
By using of virtual work principle and the unit-load method, the elastic-plastic process of loading and deflection of a beam with one degree of indeterminacy under an even load is analyzed.
通过对模型中的参数进行模糊化处理，用改进一次二阶矩法计算了地下水过量开采的模糊风险率。
The parameters of the model are fuzzily processed and the fuzzy risk can be evaluated by using the modified first order second moment method.
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