abbr.Laser Disc 激光视盘;
英文例句/中文翻译:
1、
通过对半导体激光器(LD)的损耗和阈值电流特性的分析,引入等效反射系数的概念,根据多光束干涉的原理,导出了在外腔反馈作用下LD的阈值电流公式。
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2、
InGaAs/GaAs应变量子阱激光器具有级低的阈值电流密度、较高的特性温度和较高的光学灾变损伤阈值,这使得激光器具有更高的输出功率和更长的寿命。
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3、
因此,在综合考虑了瞬态电离效应的光电流增加因素和位移效应的阈值电流密度衰减因素的基础上,获得了LD辐射效应综合光学响应模型。
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1. hold up核心含义:① 举起(具体物品);② 阻挡、耽搁(交通/进程);③ 抢劫(非正式用法)高考常考搭配:hold up the traffic 堵塞交通;hold up a plan 耽搁计划例句:The flight was held up by bad weather. 航班因恶劣天气延误。2. keep up核心含义:① 维持、保持(状态/
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