If you must use descendant selectors, prefer child selectors, which at least only require evaluation of one additional node, not all the intermediate nodes up to an ancestor.
如果您必须使用后代选择器,尽量使用子代选择器,这最少只需评估一个额外的节点,而非中间直至祖先的所有节点。
That means we have to have the rates out of the intermediate to be much faster, at least one of the rates out of the intermediate to be much faster than the rate that creates the intermediate.
那意味着我们要,使用掉中间产物的速率很快,至少是用光中间产物的速率之一,要比生成它的速率快得多。
User: You need to have at least an intermediate level of knowledge of the Linux OS and have experience of configuring Linux kernels.
用户:至少对Linux OS有中等水平的了解,以及具备配置Linux内核的经验。
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