这是汇总各单个活动或工作细目的估算费用和制定费用基准所必需的过程。

This is the process necessary for aggregating the estimated costs of individual activities or work packages to establish a cost baseline.

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跳转的目标必须是单个活动，但不必是基本活动；目标活动也可以是结构化活动。

The target of the jump has to be a single activity, however, it does not have to be a basic activity; it can be a structured activity as well.

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对于补偿活动，您可以为补偿设置目标活动，它可以是单个活动或一个范围，如图11所示。

For a compensation activity, you set the target activity for the compensation, which is either a single activity or a scope, as Figure 11 shows.

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This is a picture of patch clamp, it's a device that engineers built to fasten onto individual cells in order to look at how molecules in the membrane of the cell are working, and I'll talk a little bit about that as we go along.

这是膜片钳的图片,工程师使用该装置固定单个细胞,由此观察,细胞膜中的分子怎样活动,在以后的课中我还会谈到这方面内容

耶鲁公开课 - 生物医学工程探索课程节选