工程师计算了电压波动的均方根值以确保设备安全。

The engineer calculated the ___rms of the voltage fluctuations to ensure equipment safety.

RMS玛丽皇后号曾经是跨大西洋邮轮服务的标志性船只。

The ___RMS Queen Mary was an iconic vessel in the transatlantic mail service.

RMS是自由软件运动的先驱人物。

___RMS is a pioneer of the free software movement.