Toss out as much as possible a relatively small amount.
扔掉尽可能多的量比较少的东西。
Moreover, it requires a relatively small amount of space at the surface.
而且在地面上，相对而言，它只需要较小的空间。
This approach is advantageous if the amount of data to be retrieved is relatively small.
如果检索的数据量较小，这种方法比较有利。
This approach is advantageous if the amount of data to be retrieved is relatively small.
如果检索的数据量较小，这种方法比较有利。
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