双频

• The excited state upconversion of pr : zblan under two - color excitation
  的双频激发上转换发光的研究
• An improved method of two - frequency grating projection
  双频投影栅线法测量三维物体形状算法的讨论
• Dephasing dual frequency survey antenna
  零相位双频测量型天线
• Rscm c8051f020 and its application on dual - frequency ip instrument
  020单片机及其在双频激电仪中的应用
• Subminiature dual frequency amplifier
  超小型杆式双频放大器
• The high - quality experimental teaching with dual - frequency laser interferometer
  高测速双频激光干涉仪
• Design of a novel dual - frequency microstrip patch antenna for wlan applications
  双频微带贴片天线的设计
• Dual - frequency triangular microstrip patch antenna on magnetic substrate
  磁性基片双频三角形微带贴片天线
• Design of dual - frequency and dual - circular - polarization microstrip antenna
  双频双圆极化微带天线实验设计
• Dual frequency 4 in 1 out synthesizer
  双频4进1出合成器