chaubia焦比: coke ratio; focal ratio焦比: [冶金学] coke ratio; [物理学] focal ratio变焦比: focal variation ratio; zoom ratio焦比奥: giobbio净焦比: net coke ratio下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:焦比亚，即可在微信中查询翻译
