比较单频率与双频率载波通道的纵联距离保护和环状与链状连接光纤通道的差动保护方案。
It compares the pilot distance protection with power line carrier (PLC) in the single or double frequency and the differential protection with optical fiber in the loop or chain connection.
目的观察腰麻中不同辅助药对脑电双频谱指数(BIS)和边缘频率(SEF)的影响。
Objective To observe the effects of different adjuvants on bispectral index (bis), spectral edge frequency (SEF) of electroencephalogram during lumbar anesthesia.
介绍锻钢冷轧工作辊双频感应淬火设备特点，国内首创较低的中频频率的选定，与同类淬火设备比较的优点。
This paPer introduces the equipments of double-frequency induction heating the forged steel cold work roller, and compare with the same kind induction heating equipments.
在频率比确定的条件下，载荷比是影响双频疲劳裂纹萌生及扩展的一个重要因素。
On constant frequency ratio, loading ratio has an importance influence on the initiation and propagation of fatigue crack under double frequency complex loading.
介绍了基于双频率锯齿波组合调制的谐振式光纤陀螺(R - FOG)的检测原理，分析了数字系统信号相关检测的理论。
The detection theory of resonator fiber optic gyro (R-FOG) based on the serrodyne modulation with two frequencies was introduced, and the correlative detection theory in digital system was analyzed.
本发明的目的是为解决目前锥面共形双频率微带天线 的设计极为困难的问题。
The aim of the invention is resolving the problem of the difficult design of the present conical conformal dual-frequency microstrip antenna.
利用染料掺杂双频率液晶胶体材料制备了一种对比度高、响应速度快且无需偏光片的反射式显示器。
A high-contrast, fast-response, and polarizer-free reflective display using a dye-doped, dual-frequency liquid crystal gel is demonstrated.
利用开发的双频电磁近终成形技术，成功地实现了两种不同频率组合下的电磁成形过程，制备出了复杂弯月截面、复杂形状无模壳电磁成形的样件。
Using dual-frequency fields, two processes of high-supersonic and dual-high frequency electromagnetic shaping near net- shape are successfully carried out, producing complex shapes such asm…
是一个相位锁定频率合成UHF双频道的无线话筒接收系统，具备16 个预设的互不干扰频道供选择。
U-7000 is a PLL Synthesized dual channel UHF wireless microphone system with 16 user selectable channels.
是一个相位锁定频率合成UHF双频道的无线话筒接收系统，具备16 个预设的互不干扰频道供选择。
U-7000 is a PLL Synthesized dual channel UHF wireless microphone system with 16 user selectable channels.
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