26. Dictionaries should be put where they will be 26. Dictionaries should be put where they will be easily____. A. accessoryB. 分类:湖南大学-机械设计 题型:选择题 查看答案
47. The population in the United States, where imm 47. The population in the United States, where immigrants account for more than 分类:湖南大学-机械设计 题型:选择题 查看答案
某周期信号的傅里叶级数展开式为X(t)sinπt+1/3sin3πt+1/5sinπt+...,那么 某周期信号的傅里叶级数展开式为X(t)sinπt+1/3sin3πt+1/5sinπt+...,那么该信号的周期为() 分类:湖南大学-机械设计 题型:选择题 查看答案