Much easier to keep a flask of cells under very sterile, very reproducible conditions than it is to keep a small animal, right?

保存一小瓶细胞，该细胞可在无菌条件下再生，这要比保存小动物容易的多，对吗？

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After a discussion, it was decided that each country would keep a small group of soldiers on the island.

经过讨论，决定每个国家在岛上保留一小群士兵。

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It is difficult for numeric people to keep track of the change in numbers even when the total is very small.

即使数据总数很小，数据工作者也很难追踪数字的变化。

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Much easier to keep a flask of cells under very sterile, very reproducible conditions than it is to keep a small animal, right?

保存一小瓶细胞,该细胞可在无菌条件下再生,这要比保存小动物容易的多

耶鲁公开课 - 生物医学工程探索课程节选

Just a few small points. First of all, keep in mind that the bug is probably not where you think it is. Because if a bug were there, you'd have already found it.

第一，记住错误可能不是，发生在你认为的地方,因为如果那儿有一个错误,你可能已经找到了它。

麻省理工公开课 - 计算机科学及编程导论课程节选

Maybe it's a tradition, maybe it's to keep the value kind of in a familiar range or a small-- they don't want them to get too expensive because people can't-- small investors can't afford them anymore.

也许是传统使然,也许是为了将价值维持在一个惯常的小区间内,他们不想让价格升得太高,因为人们,小投资者无法承担过高价格

耶鲁公开课 - 金融市场课程节选

Most are happy to keep it small to stay manageable, grounded and fun.

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It helps American workers by letting them keep more money, and it helps small businesses so that family-owned restaurants and start-up software companies can hire more workers and provide more jobs for Americans.

CNN: President Bush speaks on tax cut bill passage

Like any shift, it is important to keep a close watch on how it impacts your small business.

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