照相胶片和相纸卷曲度的测定: determination of the curl of photographic film and paper
定义: 1.(确切而简要的说明) definition; delimiting 短语和例子确切的定义 an exact definition; 给一个词下定义要比举例说明它的用法困难。 to give a definition of a word is more difficult than to give an illustration of its use.2.(给以确切而简要