效率：一个激光二极管是一种单级设备，使其具有内在的效率比多级设备。

Efficiency: a laser diode is a single-stage device so it is inherently more efficient than a multistage device.

youdao

本系列的滤油车设备都设有单级精滤与双几串联精滤两种规格。

The series filtering paints vehicle equipment setting up have the single stage filters accurate and several pair of cascades filter accurate two kinds specification.

youdao

本文举办了核电站设备(IS型单级单吸清水离心泵)的动力特性测试和振动台试验。

Dynamic characteristic tests and shaking table tests of nuclear power station equipment (an is type centrifugal water pump) are carried out.

youdao