奥苏伯尔将符号学习、概念学习、命题学习统称为() ["意义学习","发现学习","接受学习","机械学习"]
变速恒频风力发电机组的控制系统从部件上可以分为() ["变桨控制系统","变频控制系统","主控系统","SCADA系统"]
import java.util.*; public class PQ { public static void main(String[] args) { PriorityQueue pq = new PriorityQueue(); pq.add(”carrot”); pq.add(”apple”); pq.add(”banana”); System.out.println(pq.poll() +”:” + pq.peek()); } } What is the result?() [" apple:apple"," carrot:apple"," apple:banana"," banana:apple"," carrot:carrot"," carrot:banana"]
一般来讲,秘书人员的知识结构可分为()、()、()三个层次。
混凝时对混合的要求?
简述道德理想、道德原则、道德规则的关系。