Netball hands cast various difficult tricky problems for the ball, and it is up to you in a specified time to make the number of home base.

投球手会投出各种难度刁钻的球，看你在规定时间内能打出多少本垒。

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Having an abundance of water on the moon would make it easier to set up a base camp for astronauts by providing drinking water and an ingredient for rocket fuel.

月球上有丰富的水，可以使为太空人建立基地营比较容易，因可提供饮用水和火箭燃料的一种成分。

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After all, corporations make up archrival Microsoft's traditional customer base and a potentially lucrative new revenue stream for Google.

毕竟，企业客户是谷歌的主要对手微软的传统客户群，而且也有望成为谷歌新的收入来源。

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For those of you who aren't familiar with this, we split up the user base by what school they go to and we make it so that people at a given school can only see the profiles and contact information of people at their school.

对此有些人可能不大了解，我们以学校为标准将用户分组,只有在同一所学校的学生,才能够相互浏览,个人资料和联系方式。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

Romney says that a combination of economic growth and base broadening would make up that revenue loss.

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The genome project, which the government began in 1987, aimed to speed the gene-hunting effort by providing the first full map of all 3 billion base pairs that make up human DNA. (It was not necessary, in this effort, to run through all the pairs on each set of chromosomes, or 6 billion pairs.) And because the base pairs come in only four varieties, they are digital and ideal for computer decoding.

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Unlike recycling of popular base metals like copper and aluminum which might make up a large portion of an object, the problem with trying to increase recycling of specialty metals is that they are used in only sparingly in the high-tech equipment.

FORBES: INTERVIEW: Recycling Of Specialty Metals Needs Improvement - Yale Researcher