The word "insomnia" in the first paragraph means____

查看本题答案

包含此试题的试卷

aimed targeted designated designed

having trouble falling or staying asleep feeling that one’s sleep is adequate for him having no sweats at night having a normal sleep pattern

Five. Six. Seven. Numerous.

having trouble falling or staying asleep feeling that one’s sleep is adequate for him having no sweats at night having a normal sleep pattern

Five. Six. Seven. Numerous.

FIR滤波器容易设计成线性相位特性 FIR滤波器的脉冲响应长度是无限的 FIR滤波器的脉冲响应长度是确定的对于相同的幅频特性要求，用FIR滤波器实现要比用IIR滤波器实现阶数低

signals symptoms signs symbols

FIR滤波器主要采用递归结构 FIR滤波器容易做到线性相位 IIR滤波器可能是稳定的 IIR滤波器主要用来设计规格化的频率特性为分段常数的标准滤波器

CC SC PIR FIR

in addition to except for owing to for all

cause accompany follow attend

fall lie seem become

having trouble falling or staying asleep. feeling that one’s sleep is adequate for him. having no sweats at night. having a normal sleep pattern.

having trouble falling asleep feeling that sleep is enough having no sweats at night having normal sleep pattern