diffraction spectrograph 中文意思是什麼
diffraction spectrograph
解釋
衍射光柵攝譜儀- diffraction : 分解
- spectrograph : n. 【物理學】攝譜儀，分光攝譜儀。adj. -ic ,-ically adv. ,-y n.
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The spectrograph uses a concave diffraction grating that provides a wavelength dispersion of 4. 2a°/mm in the first order.
光譜儀用了一塊凹面衍射光柵，第一級光譜的色散度為42埃毫米。 -
Diffraction grating spectrograph
衍射光柵攝譜儀 -
And when observers take a spectrum of the galaxy, the diffraction grating of the spectrograph disperses the light over a large area on the detector, rendering the signal even fainter at each wavelength
而當觀測者擷取星系光譜時，光譜儀的繞射光柵會把光分散到偵測器上一個很大的?圍，導致每個波長上的訊號更加微弱。
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