Q.I had a blood test for food allergens, cut them out, and my migraines were greatly diminished in frequency and intensity.
我做过食物过敏原的血液测试。 避免食用这些导致过敏的食物，我偏头痛发生的频率和强度大大的减轻了。
The simulation result shows that the dynamic response and the detection precision in detection circuit can be greatly influenced by the cut-off frequency, order and type of low pass filter.
结果表明，低通滤波器的截止频率、阶数和类型对检测电路的动态响应过程、检测精度都有很大影响。
The thickness of collector is one of the factors that limit cut-off frequency in microwave bipolar transistors.
在微波双极型晶体管中，收集区的厚度是影响其截止频率的一个重要因素。
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