您将运行一个命令并观察系统将收敛到一种稳定状态。

You will run a command and watch the system converge to a stable state.

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乔布斯可以打开和关闭窗口，下拉菜单，观察系统如何运行。

Jobs could open and close Windows, pull down menus, and see how the system would work.

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AM：事务跟踪使开发人员和测试人员能够从一个终端用户的角度来观察系统。

AM: Transaction tracking enables developers and testers to view the system from an end-user perspective.

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So, if you look at any engineering system, the performance of that engineering system is a function of its design and its construction.

如果你们观察过工程系统，工程系统的性能就是,它的设计和构造的功能。

麻省理工公开课 - 固态化学导论课程节选

And, if you look carefully, it tries to give the sense of a one electron system.

如果你仔细的观察的话，它试图给人一种单电子系统的感觉。

麻省理工公开课 - 固态化学导论课程节选

It was the first place where the concept of stem cells was developed, in that if one looks carefully one can find immature cells in the bone marrow.

这是干细胞概念的发祥地,如果仔细观察造血系统,就能找到骨髓中的未成熟细胞

耶鲁公开课 - 生物医学工程探索课程节选