infrared low frequency

基本解释

These include enhanced emission of infrared (IR) radiation from the earthquake epicentre, as well as anomalies in low-frequency electric and magnetic
包括從地震震中傳出來的經過加強的紅外輻射，以及不正常的低頻電磁現場數據。
The low-power infrared lasers, which operate in an unlicensed electromagnetic-frequency band, either are or can be made to operate in an eye-safe manner.
低功率紅外線雷射是在毋需執照的電磁頻帶運作，而且不會對眼睛造成傷害，或者說，可以設計成對眼睛不具傷害性。
A detailed study of the infrared detector types and production of low-frequency noise mechanism is to build a variety of low-frequency noise physical model;
詳細研究了紅外探測器低頻噪聲種類及産生機理，建立了該類元件各種低頻噪聲物理模型；