spectra 的定义
- a plural of spectrum.
spectra 近义词
color spectrum
spectra 的近义词 3 个
range
array
更多spectra例句
- Just turn down the lights, or place filters on LEDs that narrow the spectra of light they shine down.
- The spectra of light coming from spiral nebulae was similar enough to that of the Milky Way that they could be similar objects, he maintained.
- It includes light spectra for more than three million astronomical objects.
- Stars also have distinctive spectra, determined by their temperature, size, and, to a lesser degree, their chemistry.
- The result is a mosaic of spectra, covering up to 60 different regions.
- The spectra of the metals of the alkaline earths are equally definite, though more complicated.
- It is science when the astronomer compares the spectrum of the sun with the spectra of various metals in the laboratory.
- Gamma-ray spectra are collected all day, first from a sample, then from its accompanying standard.
- The two gamma-ray spectra you obtain look like those in the figure on the opposite page.
- Spectra of stars, per contra, appear relatively simple, since their feeble light is insufficient to bring out faint details.