基本解释[土木建筑工程]高倍率变焦距镜头英汉例句双语例句The zoom lens is high performance and large in zoom ratio and is compact due to the simple structure.该变焦 透镜具有高性能和大变焦率，并且因其简单的结构而显得很紧凑。ip.comhigh ratio zoom lens更多例句专业释义土木建筑工程高倍率变焦距镜头