preliminary tremors 中文意思是什麼
preliminary tremors
解釋
初期微震- preliminary : adj 1 預備的；初步的，初級的。2 序言性的，緒言的。n 1 〈常 pl 〉初步，開端；預備行為[步驟、措施]...
- tremors : 從地心竄出
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Tremors are caused by p and s shock waves and are also called preliminary tremors.
地動是由P沖擊波和S沖擊波引起的，也稱為初期微震。 -
Tremors are caused by p and s shock waves and are also called preliminary tremors
地動是由p沖擊波和s沖擊波引起的，也稱為初期微震。
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