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- The existence theorem of a class of periodic boundary value problems for first order nonlinear integrodifferential equations is obtained through the method of lower and upper solutions. 研究了一类纯量形式非线性积分微分方程周期边值问题,利用上下解法证明了解的存在性。
- Using the lower and upper solutions method monotone iterative techniques, the existence of maximal and minimal solutions of first order implusive integro differential equations of mixed type are obtained. 摘要利用上下解方法和单调迭代技巧，证明了一类混合型一阶脉冲积分－微分方程初值问题最大解和最小解的存在性。
- Then with lower and upper asynunetrical chirismus. 再有上下不差称的伎俩。
- Lower and upper solutions method 上下解方法
- method of lower and upper solutions 上下解方法
- the method of lower and upper solutions 上下解方法
- lower and upper solution 上下解
- METHOD OF LOWER AND UPPER SOLUTIONS FOR FOURTH-ORDER FDE BOUNDARY VALUE PROBLEM 四阶泛函微分方程边值问题的上下解方法
- The Method of Lower and Upper Solutions and the Existence of the Fourth-order Four-point Boundary Value Problem 四阶四点边值问题的上下解方法
- The method of lower and upper solutions of fourth-order four-point boundary value problems and existence of their positive solutions 四阶四点边值问题的上下解方法及正解存在性
- The polynomial-time algorithm incorporates the optimality properties derived in the paper to construct the solution ranges and find the lower and upper bounds of the solution accordingly. 我们将用提出批量分割方法，决定每一阶的最佳次批量数；再利用上界线和下界线递迴紧缩候选法来加以选出最佳成本。
- lower and upper solutions 上下解
- In 1998,the lower and upper income limits for the Scheme were revised to $33,001 and $60,000 respectively. 1998年内，计划所订的入息下限及上限分别修订为33,001元及60,000元。
- The lower and upper flammability limits (LFL and UFL) for SiH4 in NF3 are 0.66% and 95.3%, respectively. 在NF3中的硅烷的可燃下限和上限分别是0.;66%25和95
- Just defines a pair of methods to return both lower and upper bounds for the wildcard type. 只定义了两个方法,返回通配类型的下界和上界。
- In 1998, the lower and upper income limits for the Scheme were revised to $33,001 and $60,000 respectively. 年内，计划所订的入息下限及上限分别修订为33,001元及60,000元。
- Eyes: Using Lavish, circle the rim on both lower and upper lids to the crease in the lid. 秋冬将流行复古怀旧，喱士、雪纺质料时装成为主流，配合眼部重点化妆，带出雍容高贵气质。
- The effective potential range of self-induced flotation of galena and its lower and upper limits have been determined. 给出了方铅矿自诱导浮选电位区域和电位上下限,热力学计算表明了其意义。
- The cambered shape of the crystal is achieved by grinding the lower and upper surfaces. 对镜面的双面进行打磨，造成拱形效果。
