对于同一种复合线，(辶回)线的形状和面积随扭距而变化。

The area and shape of a hysteresis loop for the same composite wire vary with the twist pitch.

youdao

对于同一种复合线，(辶回)线的形状和面积随扭距而变化。

The area and shape of a hysteresis loop for the same composite wire vary with the twist pitch.

youdao