光学、声学 光学 amplitude modulation 调幅 ＞无线电物理学＞超高频无线电物理＞释义 amplitude modulation 调幅 amplitude modulation 振幅调制，调幅†
amplitude modulation 缩写：AM。调幅
网络与数据通信 有线网络 释文 amplitude modulation, AM 振幅调制
- environmental quality monitoring and evaluation of production area
- environmental quality monitoring and warning system
- environmental quality standard for noise
- environmental quality standard for soils
- environmental quality standards for marine sediment
- environmental quality standards for surface water
- environmental racism
- environmental radioactive colloid
- environmental radioactivity evaluation
- environmental radioactivity level investigation
- environmental radioactivity monitoring
- environmental radiochemistry
- environmental referenced frame
- environmental regionalization
- environmental regionalization map
- environmental regulation
- Environmental regulation of non-point sources
- Environmental regulation of point sources
- environmental rehabilitation
- environmental remediation
- environmental remediation of polluted soil
- environmental remote sensing
- environmental requirements for origin of non-environmental pollution aquatic products
- Environmental Research
- environmental reservoir