英语词汇upper and lower bound怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词

upper and lower bound

释义

upper and lower bound

简明释义

上界和下界：上界和下界是指在一个偏序集中，对于给定的子集，存在一个元素作为上界，使得该子集中的所有元素都小于等于这个上界；同时存在一个元素作为下界，使得该子集中的所有元素都大于等于这个下界。

网络释义

1
?上下界
... uplift扬压 upper and lower bound上下界 upper atmosphere高层大气 ...

短语

1
sharp upper and lower bound
上下确界
2
upper and lower bound theorem
上下界定理
3
upper and lower bound theorems
上下限定理

双语例句

1
Latitude and longitude Numbers have a reasonable upper and lower bound for North America.
对于北美而言，经度和纬度数字有一个合理的上下限。
2
A principle of upper and lower bound for KISCC was also presented, by this principle a range value of KISCC for some low-strength and high-toughness steels can be determined…
本文还提出了K_（ISCC）的上下限原理，据此原理，对某些低强高韧性钢可以用超载法确定K_（ISCC）的范围值。
3
The optimal control design for the uncertain piecewise linear system has been converted to the problem of optimizing upper bound and seeking lower bound of the optimal control performance.
针对不确定分段线性系统，将最优控制设计问题转化成最优控制性能上界的优化问题及性能下界的求取问题。

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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

单词	upper and lower bound
释义	upper and lower bound 简明释义上界和下界：上界和下界是指在一个偏序集中，对于给定的子集，存在一个元素作为上界，使得该子集中的所有元素都小于等于这个上界；同时存在一个元素作为下界，使得该子集中的所有元素都大于等于这个下界。网络释义 1 ?上下界 ... uplift扬压 upper and lower bound上下界 upper atmosphere高层大气 ... 短语 1 sharp upper and lower bound 上下确界 2 upper and lower bound theorem 上下界定理 3 upper and lower bound theorems 上下限定理双语例句 1 Latitude and longitude Numbers have a reasonable upper and lower bound for North America. 对于北美而言，经度和纬度数字有一个合理的上下限。 2 A principle of upper and lower bound for KISCC was also presented, by this principle a range value of KISCC for some low-strength and high-toughness steels can be determined… 本文还提出了K_（ISCC）的上下限原理，据此原理，对某些低强高韧性钢可以用超载法确定K_（ISCC）的范围值。 3 The optimal control design for the uncertain piecewise linear system has been converted to the problem of optimizing upper bound and seeking lower bound of the optimal control performance. 针对不确定分段线性系统，将最优控制设计问题转化成最优控制性能上界的优化问题及性能下界的求取问题。
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