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- upper solution sub - solution 比较原理
- 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。
- Tears are secreted by an organ under the upper eyelid. 眼泪由上眼睑下面的器官分泌。
- It may take a long time to find a solution to the problem. 也许要花很长时间才能找到解决这个问题的办法。
- I'd like a room on the upper level. 我想要楼上的房间。
- My hometown is in the upper reaches of the river. 我的家乡在这条河的上游地区。
- I simply refuse to conceive of such a solution. 这样的解决办法，我是绝对不考虑的。
- What color is copper sulphate solution? 硫酸铜溶液是什么颜色？
- He locked his diary in the upper drawer. 他把日记锁在上层抽屉里。
- Mary is sceptical about the solution. 玛丽对这个解决办法表示怀疑。
- Lower and upper solutions method 上下解方法
- His problem did not really admit of any solution. 他的问题真是没有解决的可能。
- He doped out a solution to the problem. 他想出一个解决该问题的方法。
- He have tattoo the name "marlene" on his upper arm. 他将＂玛琳＂这个名字刺在臂的上方。
- method of lower and upper solutions 上下解方法
- The solution to this problem is acceptable. 这个问题的解决方案是可接受的。
- A band or badge worn around the upper arm. 臂章戴在上臂的绑带或徽章
- She has come to some most satisfactory solution. 她得到一个非常使人满意的解决方法。
