Fundamentals of various quarter wave plates are presented firstly in this paper.

概括介绍了各种四分之一波片的基本原理。

youdao

In this paper another method is employed to derive the expression for the absorptance of non quarter wave systems.

本文提出了推导非四分之一波长膜系反射镜吸收率的另一种方法。

youdao

The structure substituted rectangular prism for common quarter wave, and improved the stability of the optical voltage transformer.

该结构用直角棱镜代替了普通的四分之一波片，提高了光学电压互感器的稳定性。

youdao

The overhead video board encouraged them to wave towels during a third-quarter timeout, but it seemed it was mostly missed or ignored, as there was no noticeable response.

WSJ: Williams struggles, Nets fall 90-82 in Game 2

The next wave of 40 stations to come online by the first quarter of 2014 will be heavily used stops in Midtown East and Queens, according to the Metropolitan Transportation Authority, while the service is expected to be rolled out to the remaining stations by 2017.

WSJ: Subway Wireless Options Increase

Looking ahead to the fourth quarter, Samsung appears poised to bring more smartphones to market, with a new Wave 2 awaiting launch and more mass-market devices for emerging markets.

ENGADGET: IDC: Apple passes RIM to become fourth largest mobile phone vendor globally as Nokia, LG, and Sony Ericsson struggle