It doesn't have the internal resistors (rs), as in the DMM, so all four leads must be connected to make a measurement.

与数字多用表不同，微欧姆计没有内部电阻器(RS)，所以四条引线都要连接才能进行测量。

youdao

The article introduces the work principle, general failure and maintenance method on the HP-36B type DMM.

介绍HP - 36 B型数字万用表的工作原理，一般故障现象和维修方法。

youdao

A new approach to determining the thermomechanical parameters of forging processes is proposed based on the dissipative structure theory and the dynamic material model (DMM).

在耗散结构理论和DMM方法的基础上，提出一种确定锻造热力参数范围的方法，以获得组织和性能稳定一致的锻件。

youdao

You could call DMM the Janus of tablet builders, as it presents different faces to different audiences.

ENGADGET: Ginsu knives, psychic hotlines and a $90 tablet: the story behind the Matrix One (update: more details)

While most of us have been focused on the Matrix One, DMM was, for a time, running another brand, Pacatek, which was also supposed to be making low-end Android tablets.

ENGADGET: Ginsu knives, psychic hotlines and a $90 tablet: the story behind the Matrix One (update: more details)

Google hasn't yet responded to questions about what happened, although DMM now says the ban was due to complaints about unfulfilled orders.

ENGADGET: Ginsu knives, psychic hotlines and a $90 tablet: the story behind the Matrix One (update: more details)