field direction

• 磁场方向

field direction的用法和样例：

例句

1. They seem to use both the intensity and direction of the magnetic fields to navigate.
   它们看起来即使用磁性的强度又利用磁场方向来航行。
2. Once an electric current is polarized, it flows more easily through a material whose magnetic field is parallel with its polarization than through one that is antiparallel.
   一旦电流受到极化，则它在流经磁场方向与其相同的材料时较容易通过，而较难通过磁场方向与它相反的材料。