In this paper, we discuss the nature of half-wave loss about mechanical wave, electromagnetic wave and matter wave respectively.

本文分别讨论了机械波、电磁波、物质波在两种介质的分界面正入射传播时产生半波损失的本质。

youdao

As a loose-lipped executive recently let slip, we can look forward to a 50 percent increase in battery life in the coming wave of devices, with no loss of performance.

ENGADGET

Granted, there was little the NWS could have done to prevent the loss of life caused by that wave, but had a similar tsunami erupted farther west, we would not have been fully prepared either.

FORBES: Fact and Comment

In the past year, we have seen a tragic wave of police officer fatalities, and have mourned the loss of too many public safety officers.

WHITEHOUSE: The White House