Limit of function of two variables is more complex than that of one variable.

二元函数的极限远比一元函数的极限复杂，但它们之间又有密切的联系。

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It says that function, f of x, is bounded above here's an upper limit on it, that this grows no faster than quadratic in n, n squared.

这意味着这个方法f是有上限的,这个方法增长的速度,不会比括号内的n*n快。

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By using a PIN code, parents also can turn off the 3D function altogether, or limit the ratings of the games that their kids can play.

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When the handset nears the limit set by the user a message appears on screen, and if the limit is reached the data function disables itself for the rest of the 30 day period.

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Research shows that exercise can help to maintain physical function late in life and that exercising one's brain can limit the progression of senescence.

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