衰减测试 meaning in Chinese

attenuation test

Test method for bulk acoustic wave attenuation of piezoelectric lithium niobate crystals
压电铌酸锂单晶体声波衰减测试方法
Abstract : expound the component , the principle and the working process ofthe material attenuation measure device , give the attenuation coefficient calculation method
文摘:阐述了材料衰减测试系统的组成、原理及工作过程，给出了衰减系数的计算方法。
Finally , a design example of optical system used for smog attenuation testing system is given to illustrate the effect of spherical aberration on the image beam waist
最后通过激光羽烟衰减测试系统中聚光光学系统的设计实例说明了球差对高斯光束像方束腰的影响。