Moreover users can set some parameters such as power factor upper limit, lower limit and so on.

同时用户可根据需要设定功率因数上、下限，过电压值等参数。

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But on Thursday, Federal Reserve Chairman Ben Bernanke warned lawmakers that lack of action to raise the borrowing limit would mean a lower credit rating.

VOA: special.2011.07.15

In the meantime, health plans with waivers must tell consumers their coverage is subject to an annual dollar limit lower than usually allowed under the law, according to new disclosure requirements the administration released Friday.

WSJ: Obama Administration to End New Waivers Under Health Law

The value of the lifetime limit of lower rate capital gains will erode over time - will it be indexed in some way?

BBC: Tax changes offer partial relief

The amount by which the value of a coin could vary had an upper and lower limit.

ECONOMIST: The lessons of sound money from 1,000 years' experience