调查显示人造环境中的自然遗留物某些也能繁衍出相当的数量。

Surveys show that remnants of nature in built-up environments can boast impressive populations of some species.

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一个是航空业的经济周期，无论波音公司的客户遇到怎样的麻烦，它仍然拥有相当的数量的积压订单。

One is the aerospace cycle, and Boeing, whatever troubles its airline customers are having, still has a backlog of orders.

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长期目标是将美国对外出口量翻一番至15000，不只是通在高速公路边开商店增加，更要在国外有个相当的数量。

The long-term goal is to double the number of American outlets to 15,000—not least by opening coffee shops along highways—and to have an equal number abroad.

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In other cases, the virus propagates in such high numbers that release is literally an explosion of the cell.

在另一些时候,病毒的数量相当大,那么释放病毒就会使细胞的爆裂

耶鲁公开课 - 生物医学工程探索课程节选

Agricultural villages will have existed all over the place in the late Stone Age, in the Neolithic Period, as it is known. But there is a difference and the critical difference is that a city contains a number of people who do not provide for their own support.

农业村庄在石器时代后期,以及新石器时代随处可见,但二者是有区别的,最重要的区别在于,城市能容纳,相当数量,无需自给自足的人口

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