Fundamental constants such as the strength of the electromagnetic force - the so-called fine-structure constant, or alpha - get their name from the fact that they are supposedly the same everywhere.

宇宙基本常数，比如电磁力强度之类的精细结构常数，符号位“ alpha ”，它们因为被假定为不变量而得名。

youdao

Constructed a control system of the electric stove with constant flow based on EPEC 3g microprocessor for the electric stove in the electromagnetic roll-casting system.

针对电磁铸轧系统中的电加热炉，采用了EPEC 3g系列微处理器建立了电加热炉恒流量控制系统。

youdao

The electromagnetic loss property was studied by the relative dielectric constant and relative magnetic permeability of the ferrites.

并测试样品的相对介电常数和相对磁导率，研究了它们的电磁损耗特性。

youdao

But how much further should we go to avoid the constant barrage of electromagnetic fields (EMFs) that surround us every day?

FORBES: Author of new book says cell phones are killing you