磁通量的英文：
flux

The small part which returns via an air path is called the leakage flu and is indicated by dotted lines
一小部分经空气路径返回的磁通量，叫做漏磁通量，并用虚线画出。

The market is in a constant state of flux.
市场行情在不断变化。

Organization of the company be then in a state of flux.
当时公司的编制正处于不稳定状态。

Organization of the company was then in a state of flux.
当时公司的编制正处于不稳定状态.

The world is in continuous flux and is impermanent.
世界变迁不已，并非是常久不变的。

We have to compute the integral for flux.
我们需要计算通量的积分。