A single chip micro computer is used as the control unit of the system which improve classification accuracy and reliability for nondestructive test of Vacuum in the cans.
应用单片微机作为系统的控制单元，提高了密封罐头真空度无损检测系统的分选精确度和可靠性。
First, wood specimens of standard and different types are made. Wood specimens are nondestructive tested by advanced ultrasonic test system, and copy relevant originality ultrasonic signal;
首先，构建了木材标准试件与不同类型的缺陷试件，采用先进的超声检测系统对木材试件进行超声无损检测，并记录下相应的超声原始检测信号；
First, wood specimens of standard and different types are made. Wood specimens are nondestructive tested by advanced ultrasonic test system, and copy relevant originality ultrasonic signal;
首先，构建了木材标准试件与不同类型的缺陷试件，采用先进的超声检测系统对木材试件进行超声无损检测，并记录下相应的超声原始检测信号；
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