Operation experience showed that the new dual - motor dual - frequency centrifuges used in municipal sludge treatment process, has achieved excellent result in energy - saving, and emission reduction.

运行实践表明，新型双电机双变频离心机应用于市政污泥处理工艺，达到了节能减排的优良功效。

youdao

In PLL frequency synthesizers, dual modulus prescaler is a bottleneck in achieving a higher operation speed.

在锁相环频率合成器中，双模前置分频器是一个速度瓶颈。

youdao