The immediate cause of the problems is the behaviour of the jet stream, a band of high-level wind that travels east around the world and influences much of the weather below it.

引起这些问题的直接原因是急流[注1]的运动方式 ----在高空、绕地球向东流动并能给下面的天气造成很大影响的一股风。

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The invention relates to a method to prepare composite band-gap colloidal photonic crystal film through adopting an ink-jet printing method.

本发明涉及使用喷墨打印方法制备复合带隙胶体光子晶体膜的方法。

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The configuration of the jet stream, a band of high-altitude westerly winds, also contributes, although its current position, to the far north above the continent, is not uncommon for summer, according to Mike Brewer, a physical scientist with the National Oceanographic and Atmospheric Administration.

MSN: How Bad Is the US Drought?

Band members talk about missing their kids, jet lag, Wi-Fi reception at the hotel.

NEWYORKER: We Are Alive