“滤光器”用英语怎么说？

可以使用黄色滤光器让模糊的视野更加清晰。You might use a yellow filter to improve the clarity of a hazy horizon.采用透射带宽足够窄的滤光器,可有效提高系统的探测能力.Detecting capacity could be increased by utilizing the optical filter with bandwidth narrow enough.研究了...