我用的是两部制系统。

I use a two-part system.

youdao

在定长制系统中，纱线细度常用支数表示。

Yarn number is frequently called yarn count in the indirect system.

youdao

介绍了一种基于DSP的三相四线制系统混合型电力滤波装置。

A new DSP based hybrid power filter designed under the condition of three-phase four-wire system is presented.

youdao

But all of you in this room probably remember what we technically call the base 10 system or decimal system because back in grade school or the like, you learned to count and add and subtract numbers by way of columns.

但是，在座的每一位可能都记得,这在小学的时候学的,以10为进制的系统或者十进制系统,通过数列方式学习数数和加减法。

哈佛公开课 - 计算机科学课程节选