英语论文写作常用句子
l There have been many attempts to
l It is expected to be serious barrier to
l It offers a simple solution in a limited domain for a complex problem.
l There are several ways to get around this problem.
l As difficult as it seems to be, xx is by no means new.
l The problem is to recognize xx from a design representation.
l A xx problem can trace its roots to xx.
l xx [1987] used a heuristic approach to simplify the complexity of the problem.
l Several problems are associated with them.
l Although some progress has been made in this area, at least two major obstacles must be overcome before a fully automated system can be realized.
l Most problems in practice are complicated
l More problem surface here.
l Hamper effort toward a xx system
l In order to overcome the limitations due to incomplete and imprecise xx knowledge, a xx program has been developed, which bases its knowledge upon the statistical analysis of a sample population of xx
l The above difficulties are real challenges faced by researchers attempting to develop
l This type of mapping raises no controversy to the issue of membership function determination.
l However, attempts to quantify the xx have met both theoretical and empirical problems.
l It has become apparent that in order to apply this new methodological framework to real‑world problems and data, we have to pay attention to the problems of xx and xx.
Chapter 3. Proposed methodology
Assumption
l In the case when the assumption of a xx seems to be too restrictive or inadequate, the formulation with Fuzzy termination time, i.e. given by a fuzzy set in the space of control stages, may be applied.
l We assume here the fuzzy constraints to be state‑dependent, and the fuzzy goal to be the same for all the control states, xx, which stems from the problem's nature.
l An approach to the solution of this p
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