Double glazed Windows keep in heat during winter.

双层玻璃窗可在冬季保持室内温度。

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As a third gene pool of wheat, double nature wheat is that the growth and development characters are neither spring wheat nor winter wheat.

双性小麦类群是生长发育特点与冬小麦和春小麦都不相同的小麦第三基因库。

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Introduces two methods to solve the problem of overheating in inner zones of buildings in winter, and the computation of necessary fresh air rate using double zone AHU.

介绍了解决建筑内区冬季过热问题的两种方法，其中双分区新风机方法的内区新风量计算。

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It would see British Summer Time (BST) maintained during the winter months and "double summertime" applied during summer months, putting the UK one hour ahead of GMT during winter and two hours ahead during summer.

BBC: Could the UK work with two different time zones?

The storm, which began in Montana before moving east, follows a series of heavy winter snowstorms that have dropped double-digit snowfalls in the Midwest.

BBC: Snowstorm strikes US Midwest on way to east coast

The rally in the winter months of 2010-1011 topped out May 1, followed by a double-digit summer correction.

FORBES: Fiscal Cliff Could Be One Mean Grinch For Stocks