Description
信号在长线中传输会遇到三个问题：一是高速变化的信号在长线中传输时出现的波反射现象，二是具有信号延时，三是长线传输会遇到外界干扰。
NEW PACIFIC SCIENTIFIC SK53DYY1YY-Y05 AC SERVO MOTOR
PACIFIC SCIENTIFIC SC452-011-05 NIB SC45201105
PACIFIC SCIENTIFIC SCE904-AN-002-01 USPP SCE904AN00201
HIAC / PACIFIC SCIENTIFIC ABS AUTOMATIC BOTTLE SAMPLER
PACIFIC SCIENTIFIC 61VM82-220-5 USPP 61VM822205
