In contrast, children spent only 9 hours with their single mothers.

相比之下，孩子们和单亲母亲在一起的时间只有9个小时。

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Seeing conditions (or air turbulence) is the single most important factor that degrades image contrast and planetary detail.

观察的条件(大气扰动)是影响对比度和行星细节的最重要的因素。

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Even the latest low-power computers consume around 45 watts of power when idle. In contrast, a single SleepServer machine runs at just 300 watts, Agarwal says.

最新的低功耗计算机，在空闲状态下的功耗大概是45瓦，对应的，一台“休眠服务器”单机工作功率是30 0瓦，阿加沃说。

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By contrast,the Abrahamic covenant is a covenant with a single individual.

相比之下，亚伯拉罕之约是一个个人的契约。

耶鲁公开课 - 旧约导论课程节选

By contrast, single-family home building, which makes up nearly two-thirds of the market, fell 4.8 percent to an annual rate of 619, 000.

NPR: US Housing Starts Surpass 1 Million In March

But their technology was based on the luminescent abilities of small organic molecules--single molecules--in contrast to the large ones--chains of molecules--Friend utilized.

FORBES: Innovators

The XFL, by contrast, was a single entity under the leadership of Vince McMahon , the WWFE's chairman.

FORBES: Top Of The News: XFL Exterminated