Step 4: Take a level 0 backup of the primary.

步骤4：对主服务器采取0级备份。

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Students already have laptops and cell phones, of course, but the newest devices can take class distractions to a new level.

当然，学生们已经有了笔记本电脑和手机，但最新的设备还可以让课堂注意力的分散更严重。

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Just a little of the herbs "can take your regular cooking to a whole new level," she added.

“仅需一点香草就能让你的日常烹饪水平达到一个全新的高度，”她补充说道。

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Experts say the ability to take up lead is reduced when the pH level is above six and a half.

VOA: special.2009.06.09

And instead of having the electron giving off energy as a photon, instead now the electron is going to take in energy from light and move up to that higher level.

与电子以光子形式施放能量不同,我们现在要从光中,获得能量到一个更高的能级。

麻省理工公开课 - 化学原理课程节选

And what we predict as an energy difference between two levels, we know should correspond to the energy of light that's either emitted, if we're giving off a photon, or that's absorbed if we're going to take on a photon and jump from a lower to a higher energy level.

我们预测，两个能级之间的能量差，我们知道，它要么和发出的光有关,如果它发出光子的话，要么它吸收光子,从低能级跃迁到，更高能级上去。

麻省理工公开课 - 化学原理课程节选

But when bunched all together in one book, they take on a level of utility that is largely lacking from individual lists.

FORBES: Lonely Planet's Comprehensive List of Lists

To achieve "attractive" yields in typical yield-bearing instruments (i.e. fixed income) in today's environment, one must generally take on a level of credit risk that essentially shifts the risk profile of that investment more toward the equity spectrum.

WSJ: The Experts: Finding Income Despite Low Interest Rates

GHGs at a particular level will take a very long time.

ECONOMIST: Blowing hot and cold