Spacewalking astronauts installed an 88-million-dollar spectrograph designed to detect faint light from faraway quasar .

太空漫步宇航员装8．8千万美元的光仪，用于探测来自遥远类星体的微弱光线。

A sample of each coating is expozed on an Eastman 1B sensitometer and to a wedge spectrograph.

各涂层样品用1B感光仪对着光仪曝光。

This paper has studied the phthalocyanin complex of Cobalt synthesized by benzene bitter wine-urea law,and after depuration,an infrared, ultra-violet spectrograph determination is carried.

文章主要研究了苯酐-尿素法合成酞菁钴、经提纯并对其进行红外、紫外光测定、合成及表征结果表明,红外光表征推测结构可靠,紫外光表明有特征吸收峰之处。

Methods Video-stroboscopy was used to reveal the laryngeal cavity and dynamic changes of the vocal fold, and sound spectrograph was used to examine audio frequency, pitch and width.

方法用频闪喉镜显示患者喉腔全貌和声带的动态变化，用声门仪检测并记录患者发声的频率、音调和音域。