A role of task instance is to support user interaction - presenting data to the user and collecting data from a user.

任务实例的一个作用就是支持用户交互——把数据显示给用户并从用户那里收集数据。

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User access services and user interaction services are part of the application services layer.

用户访问服务和用户交互服务属于应用程序服务层。

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The user updates the location information with minimal requirements for user interaction or for system administration.

用户更新位置信息时，所需的用户交互或系统管理最少。

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That invisible fix is a trick Microsoft adopted in late 2011 from Google, which has long pushed auto-updates to Chrome with no user interaction.

FORBES: Connect

The ground-breaking partnership brings the future of computer interaction-Leap Motion's incredibly fast and accurate natural user interface-to millions of potential consumers around the world.

ENGADGET: ASUS partners up with Leap Motion, PCs with 3D motion control to debut in 2013

The Esplora differs from all preceding boards in that it provides a built-in, ready-to-use set of onboard sensors, targeted for user interaction.

ENGADGET: Arduino Esplora helps you learn microcontrollers without the pesky breadboard