A cantilevered beam is anchored at only one end; a fractal is a shape that can be split into parts, each of which is a smaller, though sometimes not exact, copy of the larger structure.

这个悬臂结构只有一端固定；所谓分形，就是指能够分叉成多个部分的结构，每个子结构与母结构是大体近似的。

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The U-shaped bolts embedded in concrete beam are split after using a period of time.

铁路混凝土桥梁人行道上的U型螺栓，在使用一段时期后容易出现断裂病害。

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A laser beam is split into several sub-beams, each of which has different delay time and is encoded by using a grating placed in different azimuth.

一束激光被分成几束子光束，每子光束具有不同的延时并用以不同方位放置的光栅对它编码。

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To create a hologram, such as those typically seen on credit cards, a laser beam is split into two (an object beam and a reference beam).

ENGADGET: Infrared holography lets rescuers see people through walls, fire, walls of fire (video)

This involves injecting boron atoms into the cancerous organ, and using a neutron beam to split them into destructive high-energy particles.

BBC: Surgery

Her right leg missed the beam as she came down from a leaping split.

WSJ: Menu