You can also mount an ext4 file system as ext3 (backward compatible), but only if the ext4 file system does not use extents (which is discussed in the performance section).

您还可以将 ext4 挂载为 ext3（向后兼容），但前提是 ext4 文件系统不能使用区段（将在性能小节对其进行讨论）。

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The bed can be pulled up and down, but also rolled backward and forward with the crank to make space in the main room.

床可以拉起来了，而且还推出向后和向前的曲柄在主室的空间。

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That is, after school, but also to the backward students extra lessons.

那就是放学之后还要给后进生补课。

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But it also makes us see capital markets almost backward much of the time.

FORBES: 3 Key Lessons From the Just Fine Decade

Bopara brought up the Essex 100 with a four to backward square-leg but he also fell to Stevens, caught at mid-wicket.

BBC: Essex win title as Kent miss out

Yet he found a willing ally in Griffths who hung around long enough to not only help Ervine reach his double century with a four down to backward point - the 37th of his innings - but also pass his previous best of 208, made for the Southern Rocks against Mid West Rhinos in his homeland.

BBC: Sean Ervine puts Hampshire in control against Somerset