解这样方程组最有效的方法是下面讨论的叠代方法。
The most powerful methods used in the solution of such systems are iterative methods, discussed subsequently.
文章提出一种改进的叠层板理论，并针对两种特殊的叠层和相应的边界条件，给出了叠层复合材料厚板的解析解。
A refined theory of laminated plate is presented, and the analytical solutions of thick laminated composite plates are given for two particular laminates under associated boundary conditions.
川中地区磨溪—龙女寺构造带下三叠统嘉陵江组天然气的成藏机理一直是一个悬而未解的问题。
The accumulation mechanism of natural gas is still an unsolved problem in the Lower Triassic Jialingjiang Formation of Moxi-Longnüsi area in the middle of Sichuan Basin.
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