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I 've indicated the value of these radii .

我已经标出这些半径的值。

And nasa has placed less restrictive protective radii around their other apollo-era sites and artifacts , asking that robots merely remain three to nine feet from flags , tools , storage bags , and other pieces .

美国航空航天局已经较少的限制其他阿波罗时代遗址和文物的保护半径的，只是要求机器人仅仅停留3至9英尺，如登月的工具，保鲜袋和其他物件。

Transitions or radii that are sharper than original design .

比初始设计更尖锐的过渡段或倒角。

The two surfaces of a sliding interface shall have equal nominal radii .

滑动界面的两个表面应具有相等的半径。

It is now necessary to introduce a sign convention for radii of curvature .

现在必须介绍曲率半径的正负号规则。