Using words like 'datum' and 'subfocal' can make even the most mundane words sound erudite.

datum '和' subfocal '的使用甚至可以最平淡的词语变得富有学问。

youdao

Make out a simple sum about the making requirement of the project datum of the multilayer PCB, and bring forward some advice about improving the quality of making the project datum.

对多层印制板工程资料的制作要求做出简要总结，并对提高工程资料的制作质量提出一些建议。

youdao

So the establishing of(horizontal) control datum with appropriate precision standards systematically is the precondition to make sure the precision of ballastless track laying.

系统建立适宜精度标准的平面控制基准，是保障无碴轨道铺设精度指标顺利实现的前提。

youdao