“laser earthquake alarm”的概念、定义、翻译、参考文献-科学参考

单词	laser earthquake alarm
释义	laser earthquake alarm [`lā·zǝr `ǝrth´kwāk ǝ´lärm] ^ENGINEERING An early-warning system proposed for earthquakes, involving the use of two lasers with beams at right angles, positioned across a known geologic fault for continuous monitoring of distance across the fault.
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