暗迹 [àn jī]

• dark trace
• 短语:
  • 暗迹电子射线管 dark trace tube;
  • 暗迹粉 {电} scotophor;
  • 暗迹管 dark-trace tube; skiatron;
  • 暗迹记录管 dark-trace screen tube; dark-trace tube;
  • 暗迹屏 dark-trace screen;
  • 暗迹示波管 skiatron;
  • 暗迹荧光屏 {电} dark-trace screen