光谱的英文：
spectrum

plasma spectrum
等离子体光谱

The constitution of the solar spectrum
太阳光谱的构成.

The prism resolved the light into the colors of the spectrum.
三棱镜将光分解成颜色纷呈的光谱。

Red and violet are at opposite ends of the spectrum.
红色和紫色位于光谱相对的两端。

photometric sensors are devices that measure energy in the visible spectrum
测光传感器是测定可见光谱中能量的仪表。

Fluorocarbon elastomers are inherently compatible with a broad spectrum of chemicals.
氟塑料弹性材料的固有特性是与广泛的化学光谱相容。

A spectrum is then obtained and telemetered to the ground
然后记录它的光谱，并将数据通过遥测系统发回地面。

The instruments used are spectroscopes (for direct visual observation) or spectrographs (for recording spectra).
所用的仪器是分光镜(用于直接观察)和摄谱仪(用于记录光谱)。

The spectrograph uses a concave diffraction grating that provides a wavelength dispersion of 4. 2A/mm in the first order
光谱仪用了一块凹面衍射光栅，第一级光谱的色散度为4．2埃;毫米。

Laser microspectrum analyzer
激光显微光谱分析仪