一组人员全力开发微缩传感系统，用来分析这些微缩特征。

One group focused its efforts on a microprinting sensor to analyze these microletter qualities.

youdao

一组人员全力开发微缩传感系统，用来分析这些微缩特征。

One group focused its efforts on a microprinting sensor to analyze these microletter qualities.

youdao