The fracture strength of circular diamond film was measured by a burst pressure technique.

利用压力爆破技术测量了圆形金刚石膜的断裂强度。

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These cover glasses offer maximum clarity, superior corrosion resistance, and uniform thickness and size. They are free of striae and oily film. Circular.

此盖玻片提供最大的透明度、优越的防腐能力和均匀的厚度和尺寸，没有细沟和油膜。

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Circular cylinder is a basic move along a straight line trajectory can be considered as a collection of the same diameter of the circle, if the horizontal section of film, then it is a straight line.

圆筒是基本的圆沿着直线移动的轨迹，可以考虑为相同直径的圆的集合，如果水平放置节片的话它就是直线。

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China's media regulator, the General Administration of Press, Publication, Radio, Film and Television, has issued a circular banning journalists from quoting foreign media or websites and newsmakers without "prior verification", Xinhua news agency reports.

BBC: China media: Boston victim mourned