“Hartmann test”的概念、定义、翻译、参考文献-科学参考

单词	Hartmann test
释义	Hartmann test [`härt·män ´test] ^OPTICS A test for telescope mirrors in which the mirror is covered with a screen with regularly spaced holes, and a photographic plate is placed near the focus; for a perfect mirror, this results in regularly spaced dots on the plate. ^SPECTROSCOPY A test for spectrometers in which light is passed through different parts of the entrance slit; any resulting changes of the spectrum indicate a fault in the instrument.
随便看	hot-pressure welding hot-quenching hot rolling hot-runner mold hot saw hot shortness hotshot wind tunnel hot-solder coating hot spot hot spraying hot spring hot stamp hot stamping hot strength hot-swage hot tear hot trim hot-water heating hot wave hot well hot wind hot wire hot-wire ammeter hot-wire anemometer hot-wire instrument

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