The polarization property of material point of solid phase has some similarities with the polarization of Rayleigh Wave in free surface of uniform elastic solid;

固相质点的偏振特性与均匀弹性固体自由界面上的瑞利波的偏振有某些类似之处；

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Other indicators, such as sales of roofing material, point to busier economic activity.

其他的指标，例如屋顶建材的销售，也指向更繁忙的经济活动。

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Third party processing could ensure the material is enriched only to the point needed for civilian purposes, and below the level called for in nuclear weapons.

VOA: standard.2009.10.04

So, that's the first point: It's material. The second point is that narrative has a form, and that it can be constructed, built.

这就是我第一个观点：它是物质的，第二个理由是,叙述故事有一个框架，它可以像一个手工品一样。

耶鲁公开课 - 1945年后的美国小说课程节选

So from that point on it'll be exam 2 material, so depending on how you like to come compartmentalize your information, you can separate that in your brain in terms of what you're trying to learn right now versus what you can put off until a little bit later.

因此从这里开始以后的是第二次考试的内容，当然，取决于你喜欢怎样划分,你的信息，但你可以将你现在要学的,与你以后才学的知识,在你的大脑中分开储存。

麻省理工公开课 - 化学原理课程节选

We expect a material inflection point in the outlook later in 2007 based on U.S. inflation.

FORBES: Strong Growth, But Watch Inflation

Therefore suppliers, processors, distributors and retailers need to step up their control and visibility across the supply chains, tracking products from raw material to the point of consumption.

FORBES: Horses For (Main) Courses!

They argue that recent aerodynamic, electronic and material development advances in Japan point to the existence of the appropriate technical skills necessary for Japan to build the FS-X without U.S. participation.

CENTERFORSECURITYPOLICY: The US-Japan FS-X Fighter Agreement: Assessing The Stakes