Evenometer
光电式均匀度测定仪
🗣️ 情景例句
in the past few weeks.
在最近几个星期。
Has this seat number started boarding?
这个座位号已开始登机了吗？
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。