“laser intrusion detector”的概念、定义、翻译、参考文献-科学参考

单词	laser intrusion detector
释义	laser intrusion detector [`lā·zǝr in`trü·zhǝn di´tek·tǝr] ^ENGINEERING A photoelectric intrusion detector in which a laser is a light source that produces an extremely narrow and essentially invisible beam around the perimeter of the area being guarded.
随便看	Cauchy product Cauchy radical test Cauchy ratio test Cauchy relations Cauchy residue theorem Cauchy-Riemann equations Cauchy-Schwarz inequality Cauchy sequence Cauchy's mean-value theorem Cauchy's test for convergence Cauchy surface Cauchy transcendental equation cauda equina caudal caudal artery caudal vertebra Caudata caudate caudate lobe caudate nucleus caudex caudicle Cauer form caul cauldron subsidence

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