Scientists lobbed a bombshell into the world of sub-atomic theory on Wednesday by reporting that a primary building block of the visible Universe, the proton, is smaller than previously thought.

科学家们周三向亚原子理论的世界抛了颗重磅炸弹：可见世界的一块基石——质子——比先前人们认为得要小。

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The block runs through all the sub-elements of the root element with the name item, specified by the XPath expression //item.

这个对象遍历所有带有 item 名称（通过 XPath 表达式 //item 指定）的 root 元素的子元素。

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The following sub section steps a user through the creation of an IBM Cognos Report Studio template which sets the background color of the title block.

以下小节逐步指导用户创建一个IBM Cognos Report Studio模板，设置标题栏的背景色。

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The BRICs, the ASEAN Tigers, the European Eastern block and Sub-Saharan Africa are all bubbling with possibilities and emerging in different ways and at different rates.

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