与老款Nook Color相比，双核处理器和双倍的RAM无疑带来了更迅速、更流畅的操作体验。

The dual-core processor and doubled RAM promises a faster, smoother experience.

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目的比较吸入激素（ICS）联合缓释茶碱（SRT）和双倍剂量ICS对中重度哮喘患者的疗效及抗炎作用。

Objective To compare the therapeutic effect and anti-inflammation competency of inhaled corticosteroids(ICS)combined with slow-release theophylline(SRT)to double-dose ICS in asthmatics.

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这个悲痛而又艰苦的关于烟草农业的爱情抒情故事发生在1980年的中期，但是如果不是为了油地毯和双倍扩展的一瞥，可能回想起一个更早的时间。

This lyrical tale of grief and gruelling love on a tobacco farm takes place in the mid-nineteen-eighties but, if not for glimpses of linoleum and double-wides, might recall an earlier time.

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I just come back with my black coffee and my double espresso mocha latte skinny frothed, except it isn't espresso.

我回到桌位上，双手拿着我的黑咖啡,和一杯双倍浓度无咖啡因少泡沫的穆哈咖啡，其实不是无咖啡因的。

耶鲁公开课 - 心理学导论课程节选