Each of these shapes can either go on forever (a ray) or stop after a fixed distance (a segment), you can also pick based on a Bounds object.

各种形状都既可以行进到极远处(射线)或停止在固定的距离上(分段)，你也可以基于一个边界对象做拣选。

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Normally, the researchers suggest, the barriers would stop a quake from propagating from one segment to another.

研究者指出，通常断裂带会阻碍震动从一个板块传播到另外一个。

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Stop fastening and adjusting the nut before the last segment of the boom is to be extended.

在最后一节臂刚要伸出之前停止拧紧和调整螺母。

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Marketers who continue with stereotypical depictions would be better advised to stop communicating inappropriately and start connecting with this important segment in a more relevant way.

FORBES: Proof That Advertising Is Dumb

Further more, we will stop providing any future software updates and as of September 2012 we will cease all services in this segment.

ENGADGET: Victorinox nixes software updates for USB drives, security certificate to expire in September