With this distinctive central star-forming ring, and the addition of numerous bluish clusters of hot, young stars dotted through its spiral arms, NGC 1097 makes a stunning visual object.

有着与众不同的中心恒星环，旋臂上还点缀着大量炽热的年轻恒星组成的蓝巨星簇，NGC 1097就成为绝佳的观测目标。

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The paper presents an introduction to the practical application of the 3 audio - visual object teaching methods (material object, demonstration and analogue image) for technical courses.

本文介绍了实物直观、演示直观、模象直观三种直观教学法在电子技术课教学中的具体运用。

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Applies a shadow behind a visual object at a slight offset.

以微小偏移量在可视对象之后应用阴影。

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While not unexpected, the retirement of the PowerBook does mark the end of a brand with a long, storied history as a sturdy, reliable workhorse, which later -- after Steve Jobs' return to the company -- morphed into a sleek and stylish object of desire for visual and creative artists.

ENGADGET: RIP, PowerBook: 1991-2006

Each participant was told that he or she would compete against an unseen opponent in a 25-trial computer game in which the object was to be the first to respond to a visual cue on the computer screen.

FORBES: Study: More Violent Video Game Play Results in More Aggression

Contemporaries grumbled less about the visual impact of Wren's gigantic dome, than do modern protesters who object to the skyscraper on Canary Wharf in the Isle of Dogs, erected under the exceptionally loose planning regime of the Docklands Development Corporation.

ECONOMIST: Cityscapes