By ceiling, we mean the highest amount or maximum value of, for example, memory you can use and still make practical use of the system.

所谓上限，我们指的是您可以使用并且目前为止实际用于系统的内存的最大值或最高使用量。

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In addition, when we found the ceiling in a test scenario, we realized that often reaching or exceeding a recommended maximum value is really only a concern when you look at the entire system.

此外，当我们在测试场景中确定了上限之后，我们发现，频繁地接近或超出建议的最大值对于整个系统来说确实是一个问题。

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Ceiling price: the maximum price which may be charged regardless of what price would be reached through the natural forces of supply and demand.

最高限价：不管通过供求关系自然达到的价格是多少而只能收取的最高价格。

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To prevent dramatic swings in their funding the government introduced the concept of a minimum "floor" of a 3.5% rise and a maximum "ceiling" of 7%.

BBC: Q&A: School funding

In plain English, this would mean that the UK - and everyone else - would have a veto on any decision to set a ceiling or maximum on a given part of financial regulation.

BBC: A good deal for the UK - or the euro?