1. Seconds later, a high school science classroom in San Jacinto would record the waves.
几秒钟之后，圣哈辛托(SanJacinto)一所高中的科学课堂上的师生将会记录地震波。
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2. Ming the back-end database which Record the use of students can help teachers better understand the students for the classroom teaching or remote guidance teaching.
3. Ming the back-end database which Record the use of students can help teachers better understand the students for the classroom teaching or remote guidance teaching.
