The two-band model is improved and the nonlinear susceptibility of narrow gap semiconductors are calculated in this paper.

本文改进了半导体两带模型，计算了窄禁带半导体的非线性极化率。

youdao

Moreover, comparing two-band model, some new phenomena are found in our three-band model, i. e. , warping, avoided crossing etc.

并且，与两带模型比较，在三带模型中还出现一些新的现象，亦即：翘曲和避免交叉点等。

youdao

Within a two-band tight-binding model driven by a dc-ac electric field, we investigate the effect of external noise on the transport property of electrons in superlattices.

运用直交流电场驱动下的双带紧束缚模型，研究了噪声对超晶格中电子输运性质的影响。

youdao

last week. The band played two sold-out shows at the twenty thousand seat Madison Square Garden in New York City.

VOA: special.2010.08.13

It was a hit song performed by Celia Cruz and her band, La Sonora Matancera, in nineteen fifty-two.

VOA: special.2009.04.19

The band also completed building a solar-powered recording studio in two thousand eight.

VOA: special.2011.01.21

It will come in two tri-band versions, one for Europe and Asia, the other for the Americas, and is due out this Fall.

ENGADGET: Nokia announces 5 new phones and more

The quintet is a two-generation band, with Lake's sons Gene (on drums) and DJ Jahi Sundance (on turntables), along with Freddie Hendrix on trumpet and organist Jared Gold.

NPR: Family Jazz: Gerald Clayton And Oliver Lake

Designed by the same team as the full-fat version, aspiring DJs can enjoy two waveform-based decks, with three-band EQ, eight effects (ported over from Trakor Pro) all redesigned from the ground up for the iPad's touch-based input.

ENGADGET