间或

at long intervals; occasional; sometimes

1. 我是在降价期间或一月份降价期内买这件物品。
   I bought this in the sale or at the sale or in the january sale.
2. 根据时间或幅度选择波形的一部分，即在一个特定的间隔里一个波形允许另一个波形通过电路的动作。
   Selection of part of a wave on account of time or magnitude. Operation of a circuit when one wave allows another to pass during specific intervals.

间的英语翻译：

或的英语翻译：