infrared portion

• 红外段

infrared portion的用法和样例：

例句

1. 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。
2. This expansion causes changes in the character of the emission over time, resulting in the time delay between the infrared and sub-millimetre flares.
   这种膨胀导致了辐射的性质随着时间变化，结果就是红外波段和亚毫米波段的闪耀时延。