Bulge stars orbit the galactic center at a different speed than foreground stars.
银河中心恒星轨道胀在不同速度比前景恒星。
For this movie Orson Welles, along with cinematographer Gregg Toland, pioneered "deep focus", a technique that keeps every object in the foreground, center and background in simultaneous focus.
在拍摄本片时，奥逊·威尔斯和摄像师格雷戈·托兰发明了一种非常现代的拍摄方法：“深焦镜头”。
Fig 4. This painting didn't need the flowers in the foreground. However, the artist decided to add a second center of interest.
这幅画并不需要前景上的花，然而画家决定加进“第二兴趣中心”。
OBJECTIVE To explore what problems confronting the health service center and its developing foreground.
目的探讨开展社区卫生服务过程中存在的问题和今后的发展前景。
OBJECTIVE To explore what problems confronting the health service center and its developing foreground.
目的探讨开展社区卫生服务过程中存在的问题和今后的发展前景。
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