spectrum

• A particular spectrum line corresponds to a certain definite light wavelength .
  某特定的谱线就代表一个确定光的波长。
• If the stellar spectrum is known, the albedo of the dust can be obtained .
  如果恒星的光谱已知，就可得出尘埃的反照率。
• The electromagnetic spectrum covers an enormous range of frequencies and energies .
  电磁波谱包括极大的频率和能量范围。
• White light can be split by a prism into a whole spectrum of wavelengths .
  白光可以用棱镜分解成具有各种波长的整个光谱。
• At the same time broaden the spectrum as result of energy loss fluctuations .
  与此同时，电子谱由于能量损失的涨落而展宽。
• The solar energy used by plants comprises a small part of the total spectrum .
  植物所利用的太阳能只是总光谱中的一小部分。
• In practice the identification of lines in a star's spectrum is not so easy .
  实际上，要辨认恒星光谱中的谱线并不那么容易。
• These clouds show spectra remarkably similar to those of the illuminating star .
  这些云的光谱与照射它的亮星的光谱极其相似。
• The range of the spectrum in which heat is radiated mostly lies within the infrared portion .
  辐射热的光谱段大部分落在红外区。
• It was surprising when the alkali spectra showed unmistakable doublets .
  当碱金属光谱显示出不容怀疑的双线结构时，是令人惊奇的。