【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.
【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.
【多选题】The two most prominent cooking methods of Yue Cuisine are: