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。

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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。

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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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So the basic idea was fine, but I failed to satisfy the initial condition that the answer had to be between the lower bound and the upper bound. Right?

因此基础的思想是对的，但是程序没能满足,正确答案在给定的区间内这个条件,对不对？

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That is because in any lower income group, with both an upper and lower bound to the incomes included, the average or mean income will always be much closer to the median.

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In effect, the bank now has a target range for short-term rates: the upper bound is the 1% refi rate and the lower bound is the rate the central bank pays on banks' deposits with it, currently 0.25%.

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My best guess would be that their calculation gives us an upper bound and the actual effect will be above zero but lower than their number.

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