我们特别注意将内核保持为占用较小的内存，这样它就可以用于受限的设备，如机顶盒。
We have paid particular attention to keeping the footprint of the kernel small so that it can be used on constrained devices such as set-top boxes.
需要特别注意某些xpath函数如exist，因为它们要求具有特定元素的版本才能进行查询计算。
Certain XPath functions, such as exist, need special attention, because they can restrain the query evaluation to a set of versions that have a specific element.
应特别注意给小型电气组成，如印刷电路板的应受保护的油漆涂料。
Special attention shall be paid to small electronic components such as printed circuit boards that shall be protected by a varnish coating.
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