英语词汇effective focal length怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	effective focal length
释义	effective — 有效 • 行 • 有效的 adj • 效的 adj • 切实 adj • 高效 adj • 好用 • 成效 adj • 有作用 • 灵 • 奏效 • 有结果 • 灵验 focal length — 焦距 focal adj — 焦点 adj length n — 长 n • 长度 n • 距离 n • 篇幅 n • 截 n • 上下 n • 一段 n • (时间)持续长短 n • 袤 n
随便看	social responsibility program social responsibility projects social responsibility report social responsibility science social responsibility strategies social responsibility strategy social responsible activities social responsible investing social responsible investment social responsible practices social responsiblity social resposibility social restraints social restrictions social restructuring social results social revolution social reward social rights social risk management' social risk management social risk management' social romantic social safeguards social safety

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

effective —