用单纯形法求解线性规划问题的多最优解，对一类特殊的可行域，有时会导致失效。
Multiple optimal solutions to the linear programming problem by the simplex method for specific feasible regions sometimes might lead to a loss of efficiency.
它超越了单纯的语言层面上的研究，同时把注意力投向文化、语境、语域等影响翻译的因素。
It goes out of the range of pure linguistic level, and its focus is on other factors such as culture, context and register that also convey meaning.
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