We can now start to think about domains where it's the social interaction, which is the core means by which a robot helps someone, through motivating them, or giving positive reinforcement.

我们现在可以开始考虑研究社交互动方面的领域，也是通过激励和正面强化机器人来帮助人类的核心方式。

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The complex tests involved examining the process by which light goes through a bird’s eye, which has intriguedthe scientific community fomore than 30 years.

这些复杂的试验包括观察光进入鸟的眼睛的过程，科学界在这方面已经研究了30余年。

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SCA defines the usage of infrastructure capabilities through the use of Policies, which are designed to simplify the mechanism by which the capabilities are applied to business systems.

SCA 通过策略使用基础设施功能，而策略旨在简化控制功能如何应用到业务系统的机制。

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The team made the discovery by measuring the speed at which our galaxy is moving through space.

VOA: special.2009.01.20

There are hereditary principalities, like those currently run by Lorenzo, which acquire their authority through tradition and hereditary bloodlines.

第一种是世袭君权，像是由罗伦佐所掌管的候国，其威信的获得,来自传统与世袭血源。

耶鲁公开课 - 政治哲学导论课程节选

And the electrical energy is the product of the charge on the electron times the voltage which is the potential difference through which the electron was accelerated. And so this allows me to, by increasing the voltage, increase the energy on the electron.

电子能量是电子上的电荷数,乘以电压的结果,这是种内在的差距,通过它电子运动得以加速，这也让我，通过增强电压，来增加电子能量。

麻省理工公开课 - 固态化学导论课程节选

It is legislation that has to move through Congress, and there is a process by which legislation moves through Congress.

WHITEHOUSE: Press Briefing

The details come from a report in The New York Times, which couches the news by explaining that the paper has not yet gone through peer review, an academic process by which new research is first vetted by others in the field.

FORBES: Q: Why Did the Investor Cross the Road?

Sitting in his presidential palace, by the window through which Makarios escaped in July 1974 and in sight of the Turkish-Cypriot flag painted provocatively on the Pentadaktylos mountains, Mr Christofias is emphatic.

ECONOMIST: Cyprus, Turkey and the European Union