What about the entire periodic table? That exercise is trickier because you have to arrange the data into the familiar format based on group and period, which requires some fancy coding.

这个练习需要更多技巧，因为要按照分组和周期将数据排列成常见的格式，所以需要某些具有想像力的代码，不能简单地将各部分放在固定的位置。

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The server requires these resources on an on-demand basis for a much shorter period than the time span between t1 and t2, which is the total duration of the transaction from the client's perspective.

服务在短于 t1 到 t2 的间隔里以按需方式占用这些资源，而 t1 到 t2 的间隔是客户端方面的事务总持续时间。

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Thus, the lack of a prompt response to glucocorticoids might reflect a higher degree of thyrotoxicosis and thyroid destruction (10), which requires a longer period of glucocorticoid administration.

因而，不能迅速对糖皮质激素作出反应可能反映了甲亢和甲状腺破坏的程度更高(10)，需要给予糖皮质激素的时间更长。

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It's exactly the same when people sign a declaration of peace, the Belfast Agreement when it was signed was not the end, it was the beginning of a long period of struggle which requires just as much determination from all of us to see it succeed and I believe there is a will there, certainly among the pro-agreement parties to make this succeed.

BBC: News | BREAKFAST WITH FROST | Dr John Reid MP, Secretary for Northern Ireland

Or take the FASB's Statement 2, which requires companies to deduct research and development expenditures from income in the period in which they are made.

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In regards to leverage, Basel III introduced a minimum 3% leverage ratio and two required liquidity ratios: (1) the Liquidity Coverage Ratio, which requires a bank to hold high-quality liquid assets to cover its total net cash outflows over 30 days, and (2) the Net Stable Funding Ratio, which requires the available amount of stable funding to exceed the required amount of stable funding over a one-year period of extended stress.

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