Elastic feedback
[计] 弹性反馈, 可变反馈
🧩 词语组成解析
🗣️ 情景例句
but he has to work today,
但他今天工作忙，
Once is no custom.
一次不成例。
The second marks the arrival of transverse vibrations which travel more slowly and arrive several minutes after the first.
然后记录下的是横向波的到达，横向波比纵向波传播得慢，在纵向波到达几分钟后才能到达。