The Moon's mean density is much lower than that of Earth but is about the same as that of Earth's mantle.
月球的平均密度比地球低得多，但与地球的地幔密度大致相同。
Newman notes that Portland has about the same population as Perth and had a similar population density at the time.
纽曼指出，波特兰的人口与珀斯大致相同，而且它们当时的人口密度相近。
The physicist expects the lenses to cost about a dollar a pair, about the same as conventional one-day disposable lenses.
这位物理学家预计这种隐形眼镜每副大约1美元，和传统日抛隐形眼镜的价格差不多。
Flooding shaped the outflow channels approximately 3 billion years ago, about the same times as the northern volcanic plains formed.
大约30亿年前，洪水形成了流出通道，大约与北部火山平原形成的时间相同。
Subjects reported finding the predictable and unpredictable noise equally annoying, and all subjects performed at about the same level during the noise portion of the experiment.
受试者报告说，可预测的噪音和不可预测的噪音同样令人讨厌，而且在实验的噪音部分，所有受试者的表现都差不多。
In 2009 sales at full-service restaurants in America fell by more than 6%, but total sales remained about the same at fast-food chains.
2009年，美国提供全方位服务的餐馆的销售额下降了6%以上，但快餐连锁店的总销售额却保持不变。
The pressure of the helium inside a blimp is about the same as that of the air outside, so the gas does not rush out.
气球飞艇内部氦气的压力和外部气压相近，因而气体不会溢出。
All 67 participants were over 60 years of age, and both groups lost about the same amount of weight.
总计67名参与者的年龄都在60岁以上，两组人减掉的体重大致相当。
Macfarlane looked to Japan, which was also developing large cities about the same time, and also had no sanitation.
麦克法兰把目光投向了日本，彼时日本也在发展大城市，同样缺乏卫生设施。
At about the same time, the United States had its own space station, called Skylab.
大约在同一时间，美国有了自己的空间站，叫做天空实验室号。
However, since Baggy stands at about the same height as a child in a pushchair (婴儿车) , she frequently records pollution levels which are much higher than the data gathered by the Environment Agency.
然而，由于贝基的站立高度约与婴儿车里的婴儿同高，她所记录的污染水平时常远远高于环境机构收集到的数据。
Siemens spends about the same proportion (see chart 3).
西门子的研发费用比例差不多(见图3)。
A monthly subscription costs about the same as one restaurant meal in London.
俱乐部每月会费仅相当于在伦敦餐馆吃一顿饭的成本。
Money spent on alcohol and tobacco is about the same as it was two decades ago.
在烟酒方面的开支和20年前一样。
That makes the Hywind about the same size as a large traditional offshore turbine.
这使得“海风”与传统的近海风轮机几乎有同样的尺寸。
Percentages do not add up to 100 because "about the same" responses are excluded.
百分比加起来不到100，因为“大致相当”一项没有包括进来。
In data conversions to and from XML, the three stacks all run at about the same speed.
在与xml之间的数据转换方面，三个栈的运行速度基本相同。
Now comes a reader asking about the same topic but with a daughter in her twenties.
现在，有一位读者提出了一个类似的问题，只不过她的女儿已经20多岁了。
That sum is only about the same as the bonuses paid last year in the City of London.
这笔总数不过相当于伦敦市(Cityof London)去年支付的红利。
Moon craters come in various sizes but almost all were created at about the same time.
这些环形山大小不一，但几乎全部都形成于同一时间。
The boat will travel at at an average speed of 7.5 knots — about the same as an oil-tanker.
这只船的平均航行速度是7.5节，和油轮的速度大致相同。
That means recent grads have about the same level of unemployment as the general population.
这意味着刚毕业的大学生失业率与一般群体的失业率几乎不相上下。
Apple says video playback, Web use and book reading all take about the same amount of juice.
苹果公司称，播放视频、上网和阅读电子书所耗的电池量都差不多。
At first the two networks had a fair fight, delivering the Internet at about the same speed.
最初，这两种网络公平竞争，互联网传输速度大致相同。
At first the two networks had a fair fight, delivering the Internet at about the same speed.
最初，这两种网络公平竞争，互联网传输速度大致相同。
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