cross ampere-turns

例句：

1. 1.The magnet has a strong magnetic field, which can cross ampere-turns.
   这个磁铁有很强的磁场，可以穿过安培匝。
2. 2.The circuit designer needs to calculate the cross ampere-turns of the wires.
   电路设计师需要计算电线的安培匝数。
3. 3. The scientist measured the cross ampere-turns in the coil.
   科学家测量了线圈中的安培匝数。