source-detector distance造句

例句与造句

1. An accurate replica of the source should be provided for practice in handling and for making accurate measurements of source-detector distances .
   为了练习操作，为了精确地测量源到探测器的距离，应当备有源的精确的复制品。
2. It's difficult to find source-detector distance in a sentence. 用source-detector distance造句挺难的