英语国家社会与文化选择题Chapter One Land and PeopleExercisⅠ.Choo the correct answer from each of the following1. The north and west of Britain are mainly ____. (D)A. level landB. farmlandC. lowlandsD. highlan
Test Of Digital Signal Processing 1Give the answer of the following problems as possible in English.1. Supposing when and .Plea give its ZT , DTFTand N-point DFT .Explain the relations a