不相干的

Hecklers in the crowd asked irrelevant questions for the sole purpose of vexing the speaker.

人群中的问者们问了些不相干的问题，只是为了难人。

For a one-drive autochanger, this is irrelevant (one device file would have the index 1).

对于驱器的自交换备，这是不相干的 (备文件的索引为 1)。