The statement /x/y/* returns all nodes under any node y with the parent x. /x/y[@name='a'] matches all nodes y who have a parent x, and have an attribute called name with the value a.

x/y/* 语句返回父节点为 x 的任何节点 y 下的所有节点。 /x/y[@name='a'] 匹配所有具有父节点 x 且具有名为 name 且值为 a 的属性的节点 y。

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County X and County Y have similar terrain, but the population density of County X is significantly higher than that of County Y.

X 县和 Y 县的地形相似，但 X 县的人口密度显著高于 Y 县。

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Syntactically, this is equivalent to plot sin (x), cos (x).

依照语法，该命令等同于plot sin (x)，cos (x)。

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"One of the really frustrating things for patients with fibromyalgia is that there's nothing to measure in labs or in X-rays.

VOA: special.2011.08.02

Remember, we don't do a one-to-one correlation, because p x and p y are some linear combination of the m plus 1 and m minus 1 orbital.

记住，我们不需要把它们一一对应，因为ｐｘ和ｐｙ轨道是,ｍ等于正负１轨道的线性组合。

麻省理工公开课 - 化学原理课程节选

The highest probability now is going to be along the x-axis, so that means we're going to have a positive wave function every place where x is positive.

概率最高的地方是沿着ｘ轴，这意味着只要在ｘ,大于零的地方波函数都是正的。

麻省理工公开课 - 化学原理课程节选

With its compact, travel-friendly size, the X-E1 promises to be an exciting addition to the FUJIFILM X-Series.

ENGADGET: Fujifilm grows X-series mirrorless lineup with 16.3-megapixel X-E1

New Amazon-exclusive features like X-Ray for Movies, X-Ray for Textbooks, Immersion Reading, Whispersync for Voice and Whispersync for Games.

ENGADGET: Kindle Fire HD 8.9 launched in Europe and Japan, gets permanent price cut in the USA

The agency has already spent billions of dollars on the National Aerospace Plane, the X-33, X-34, X-37, X-38 and the Orbital Space Plane.

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