to a certain extent
从某种程度上
area code
(美、加等国)电话分区的三位数代号
saturated extent of adsorption
饱和吸附量
Area A Certificate of Competency
A类适任证书
criticize ... to the fullest extent
饱受批评
Area B Certificate of Competency
B类适任证书
be hurt to the fullest extent
饱受其害
area ratio of ground surface to glass surface
暧房保温比率
area classification
按地区分类
extent of protection
保护范围