| 释义 |
红外线hóngwàixiàn波长比可见光长的电磁波,波长0.77—1,000微米,在光谱上位于红色光的外侧。易于被物体吸收,穿透云雾的能力比可见光强。具有很强的热能,工业上用做烘烤的热源,也用于通讯、探测、医疗等。{infrared radiation; electromagnetic wave with a wavelength (0.77-1,000 microns) longer than that of visible light, lying outside the visible spectrum's red end, easily attracted by objects, having strong thermal energy and a stronger ability than visible light to penetrate clouds and mists, used as a heat source for baking or drying purposes in industry, and also used in telecommunications exploration and medical science;}也叫also红外光{hóngwàiguāng}或{or}热线{rèxiàn}。 |