It’s a good way to improve communication skills, to make friends and to enjoy your hobbies.
查看答案
This is my first time to share a roomwith strangers.
Second, respect privacy — don’t use their belongings without permission.
Communicate often and you’ll get along well with one another.
以下属于FIR数字滤波器的设计方法的是？
A. 窗函数法
B. 频率采样法
C. 双线性变换法
D. 脉冲响应不变法
微信支付 
支付宝支付