简述法定证据制度产生的历史条件。
整浇梁板结构中的连续梁,其跨中截面和支座截面应按哪种截面梁计算?为什么?
class super { public int getLength() {return 4;} } public class Sub extends Super { public long getLength() {return 5;} public static void main (String[]args) { super sooper = new Super (); Sub sub = new Sub(); System.out.printIn( sooper.getLength()+ “,” + sub.getLength() }; } What is the output?() [" 4, 4"," 4, 5"," 5, 4"," 5, 5"," The code will not compile."]
直方图正态化
美国建筑师学会(AIA)的合同条件主要用于()工程。 ["房屋建筑","铁路和公路","石油化工","大型地基设施"]
简述污水处理主要方式?