tracer

• Transistor curve tracer
  晶体管特性曲线描绘器
• Au radioactive tracer method
  Au放射性示踪法
• In agricultural applications , radioisotopes are usually used as tracers
  在农业方面，放射性同位素经常被用作追踪剂。
• Principles of tracer method for soil erosion measured by 137cs and models in common use
  测定的示踪法原理及其常用模型
• Tracer - controlled milling machine
  仿形铣床
• In agricultural applications , radioisotopes are usually used as tracers
  在农业方面，放射性同位素经常被用作追踪剂。
• Activable tracer technique
  可活化示踪技术
• Non - destructive testing - leak testing - tracer gas method ; german version en 13185 : 2001
  无损检测.渗漏试验.痕量气体法
• Mud filtrate tracer analysis
  示踪分析法