iris n. 1.艾丽斯〔女子名〕。 2.【希腊神话】(为诸神报信的)彩虹女神。 n. (pl. -es; irides ) 1.【解剖学】(眼球的)虹膜。 2.虹;虹状物;虹彩,彩虹色。 3.【物理学】膜片,可变光阑,(照相机的)光圈 (=irisdiaphragm)。 4.【植物;植物学】鸢尾属植物,鸢尾,蝴蝶花。 5.【矿物】彩虹色石英。
The condenser is equipped with an iris diaphragm , a shutter controlled by a lever which is used to regulate the amount of light entering the lens system 聚光镜装配有瞳孔膜,那是一个有贡杆控制的快门,用来调节进入镜头系统的光量。
英文解释
diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening 同义词:iris,