IR radiation短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 红外辐射 The development and applications of tunable coherent IR radiation are introduced, periodically poled materials. 介绍了宽带可调谐光源的发展及其应用背景,周期极化晶体。 cnki The IR radiation and diffusion characteristic of ground background a re analyzed in detail. 详细分析了地面杂散背景的辐射和散射特征。 cnki