high-low signal selector 高低信号选择器
High-Low Signal 大小信号
HIGH-LOW GEAR SIGNAL SWITCH 高低档开关
high low level bin signal 高低仓位指示信号器
low-level high frequency signal 低电平高频信号
CLIA using acridinium ester derivatives as chemiluminescent label has advantages of low background and high signal-to-noise ratio.
以吖啶酯衍生物为发光标记物的CLIA的特点是：自然本底低和信噪比高。
But that avoids the more essential point, namely that Wal-Mart views low labor costs and a high degree of workplace flexibility as a signal competitive advantage.
即便这样，也不应回避更为核心的问题，即沃尔玛视低劳动成本和频繁的调换工作场所作为显著的竞争优势。
Only one high-quality resistor in the signal path and using the Swiss made precision attenuator with gold contacts for low contact resistance and longtime durability.
一高质量电阻器在信号道路和使用瑞士与黄金接触适合低接触电阻和长期的耐久性一起使精密衰减器内只。
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