核技术应用生产经营单位使用放射源的场所和生产放射性同位素的场所，以及终结运行后产生放射性污染的射线装置，应当依法实施退役。
频谱图简单说明如何生成频谱图生成一个音频文件的频谱图比较简单，最简单直接的方案是用 ffmpeg 的命令行：，更多细节参见爱思助手
，详情可参考heLLoword翻译官方下载
title = {{Astra}},，更多细节参见PDF资料
Россиянам станет тяжелее снять наличные08:49
This cordless vacuum not only offers a powerful Dyson motor that spins up to 125,000rpm, providing the brand’s most powerful cordless suction, but it also includes laser illumination to show the invisible dust on hard floors you didn’t even realize you were cleaning. A piezo sensor also automatically adapts this Dyson’s suction power depending on what kind of debris is detected.