低阶信号(low-level signal)容易受到数位信号的干扰；假设类比和数位信号必须溷杂，要确定彼此的电路相交成90度角，这将会降低交互耦合(cross coupling)的效...
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low level signal 低电平信号 ; 微弱信号
bin low level signal 煤仓低煤位信号
low level signal measurement 低电平信号测量
low water level signal 低水位信号
low-power level signal 小功率信号
low reactor level initiation signal 低反应器准位引入信号
And because glucose fuels the neurons, a transitory low level in the brain may signal the stomach to get the hands to fill up the mouth, even though the energy actually spent has gone up just a hair.
因为葡萄糖是神经元活动的能量来源，所以大脑中的短暂的葡萄糖低浓度水平会向胃发出信号，让人赶快往嘴里塞食物，纵然能量其实只消耗了九牛一毛。
Such ideas are being explored with brain scans which suggest that even if a low level of pain is being sent to the brain, the signal can be turned up by the “mind” itself.
这样一个想法是通过脑扫描得出的，它反映出即使传输给大脑的是一个很小的疼痛，但是这个信号仍可以在脑海中被放大。
For certain signal types, such as low level or high frequency, the analog backplane should not be used to avoid possible signal degradation.
对于特定的信号类型，例如低电平或高频率，则不宜使用模拟背板，以避免造成信号劣化。
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