Many projects have great functional requirements coverage (the application should do X, it should not do Y, and so on), but they rarely have requirements for para-functional requirements.

许多项目拥有大量的功能性需求覆盖范围（如果应用让您做 X，那么您就不该做 Y，等等），但是他们只对辅助功能性需求拥有需求。

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A giant composite image of the Milky Way's center has been taken by NASA's three Great Observatories - the Hubble and Spitzer Space Telescopes and the Chandra X-ray Observatory.

NASA的三架大型天文台——哈勃太空望远镜、斯皮策太空望远镜与钱德拉X射线天文台近日联合拍摄了一张银河中心区域的大型复合照片。

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The result is a compact source of X-rays that can be controlled with great precision.

结果可以产生可以精确控制的简洁的X线源。

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Nothing says the holidays in America to him like a convenience- store sign wishing customers "Happy X-Mas" while offering them great deals on Bud Lite and antifreeze.

WSJ: rom Lee Friedlander at Janet Borden Gallery

The result is a compact source of X-rays that can be controlled with great precision.

ECONOMIST: Modern X-ray technology

What about a great big bush of mauve-pink Daphne mezereum underplanted with a carpet of Crocus x luteus, in bright orange-yellow?

ECONOMIST: Christopher Lloyd