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。
We drove the cars into an X-ray tunnel for X-ray.
我们把车开进X光隧道进行X光检查。
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。
"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。
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。
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