FIR has three properties: radiation, deep penetration, and resonance absorption.

区有三个属性：辐射，深渗透，共振吸收。

youdao

It is shown that penetration of magnetic-dipole radiation in the medium of the crab nebula seems to be possible.

指出在蟹状星云介质中磁偶极辐射的穿透似乎是可能的。

youdao

Dental radiography USES a small radiation dose with high penetration to view teeth, which are relatively dense.

牙科X线摄影使用一个小的辐射剂量与高渗透，以查看牙齿，这是相对密集。

youdao

An article in the Journal of Geophysical Research, published by the American Geophysical Union, says the Arctic damage threatens to "allow the penetration of enhanced UV radiation at northern mid-high latitudes".

BBC: By Environment Correspondent Alex Kirby