Other massive stars in the nebula have raced through their evolution and exploded catastrophically as supernovae, expanding these bubbles into x-ray-brightened superbubbles.

这个星云里的其它大质量恒星已经走完了它们进化史的最后一章，变成了超新星并爆炸，将含有极高能量的射线及物质撒向浩瀚的宇宙。

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The evolution rule of the rare earth aluminum capacitor foil preparation process was investigated by means of bit etching, EBSD micro orientation analysis and X-ray method.

采用蚀坑法、EBSD微取向分析和X射线法等手段，对稀土电解电容器用铝箔制备过程中的织构演变规律进行了研究。

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The purpose of studying concrete using X-ray CT is to analyze concrete meso-crack evolution process and explain concrete macroscopic strength and strain character based on concrete CT images.

X射线CT研究混凝土的目的是通过CT扫描获得的CT图像，分析混凝土在不同荷载作用下细观裂纹的演化过程，解释混凝土宏观强度和变形特性。

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The page will include current X Games 16 content (daily highlights and discipline highlights), ESPN Films (30 for 30: The Birth of Big Air, 199 Lives: The Travis Pastrana Story, Shaun White: Don't Look Down, Moto X: Evolution of the Trick, and Down the Barrel), Athlete Music Playlists (from Mat Hoffman, Kenny Brack, Blake "Bilko" Williams, and Josh Hansen), As Heard at X music playlists (from our on-air broadcast), Phone Aps, and Free Podcasts.

ENGADGET: ESPN lays out X Games 16 coverage via online, HD & 3D formats, including in-car 3D cams