【单选题】已知点A在基底{ a , b , c }下的坐标为(8,6,4),其中 a = i + j , b = j + k , c = k + i ,则点A在基底{ i , j , k }下的坐标为( )
【单选题】已知到达点纬度j2=06°11'.8N,两地间纬差Dj=14°07'.8N,则起航点纬度j1为_________。
【判断题】Yue cuisine has the largest variety of foods and cooking methods.
【判断题】Yue cuisine highlights the salt flavor of the meat and original flavor of vegetables and fruit.
【判断题】Dim sum is the popular in Yue cuisine and the people in Guangdong and Hongkong like eating this for breakfast.
【单选题】已知复阻抗Z=8-j6 Ω,求复导纳Y= S 。
【判断题】Yue cuisine is famous for its salt flavor and over 30 techniques are used in cooking.