This paper introduces a single-bridge current source rectifier, which eliminates 5th and 7th harmonics adopting the technology of Selective Harmonic Elimination(SHE).

介绍了一种单桥电流源型整流器，运用特定谐波消除技术消除其5次和7次谐波。

youdao

The bridge crosses the river in a single span.

河上的桥为单跨桥。

《牛津词典》

Trucks are forced to crowd onto the single bridge over the Amu Darya River that separates Uzbekistan and northern Afghanistan or use one of the hastily constructed barges put in by NATO.

乌方要求所有的卡车通过单行桥或北约临时投入使用的驳船穿越阿姆河，该河是乌兹别克斯坦和阿富汗北部的分界线。

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It is the largest single-span concrete arch bridge in the Western Hemisphere.

VOA: special.2010.10.27

The existing single-carriageway bridge has been criticised for not being able to cope with the volume of traffic crossing it and for limiting the size of boats that can enter the harbour underneath it.

BBC: Lowestoft, Suffolk

As we cross the snaking, single-track bridge there is a glimpse of Loch Shiel, and of the monument that marks the spot where Bonnie Prince Charlie first assembled his Jacobite army that nearly did so well for the Scots.

BBC: Full steam ahead

Much of the remaining two are spent resting, eating and watching television in one of the bridge's three single-sex lounges (a holdover from the early days).

FORBES: Magazine Article