例句與造句

1. Gaas / algaas quantum well photodetectors ( qwips ) are new type devices and progressed rapidly in recent 20 years . qwips utilizing intersubband absorption between gallium arsenide ( gaas ) well and aluminum gallium arsenide ( alxga1 _ xas ) barriers were perfected . therefore , the ability to accurately control the band structure and hence the spectral response , as well as both established technology for growing and processing gaas optical devices and commercially available large area vlsi gaas ic ' s , makes gaas / algaas qwips attractive devices for use in very large focal plane arrays ( fpas ) , especially available in the range of long wavelength 8 - 12 urn
   Gaas algaas量子阱紅外探測器( qwips )是近二十年來迅速發(fā)展起來的一種新型紅外探測器，它成功地利用了gaas勢(shì)阱和al _ xga _ ( 1 - x ) as勢(shì)壘之間的子帶間吸收，使之具有能帶結(jié)構(gòu)可精確設(shè)計(jì)從而獲得指定光譜響應(yīng)的特點(diǎn)，加之成熟的材料生長技術(shù)、器件工藝，以及商業(yè)上可獲得大面積的vlsigaas集成電路，使得gaas algaasqwips尤其適宜制作8 12 m長波范圍的大面陣探測器。
2. It's difficult to find gallium arsenide (gaas) in a sentence. 用gallium arsenide (gaas)造句挺難的