论文部分内容阅读
一九七九年七月十三日至十六日,四机部在江西省吉安市,组织召开了关于红声器材厂试制的 ND1型、ND1型精密声级计和倍频程滤波器、NX6型活塞发声器、NF6型测量放大器、NG1型磁带信号闸、NZ1型仿真嘴及NE1型仿真耳等六种声学测量仪器设计、生产定型鉴定会。代表来自全国四十七个单位,共65人。
From July 13 to July 16, 1979, the Fourth Machinery Department organized the ND1-type and ND1-type precision sound level meters and octave filters in trial production of Hongsheng Equipment Factory in Ji’an City, Jiangxi Province. NX6-type piston sounder, NF6-type measuring amplifier, NG1-type tape signal gate, NZ1-type simulation of the mouth and NE1-type simulation of ear and other six kinds of acoustic measurement equipment design, production stereotypes will be identified. Representatives from 47 units nationwide, a total of 65 people.