For the electric vector of electromagnetic wave. we discussed its amplitude, wavelength, phase, and attenuationlength.
以波的电矢量为例，具体讨论了衰减电磁波的振幅、波长、位相以及衰减波的衰减长度。
2
This paper describes the principle, method and apparatus for measurement of technical light attenuationlength of plastic scintillators. The factors that influences this parameter are discussed.
本文报道了塑料闪烁体的技术光衰减长度的测量原理、方法和测量装置，并对影响此参数的因素进行了讨论；
3
The paper study the problem by constructing theoretical model of diffracted sound attenuation of limited length barrier.