电气火灾形成的主要原因是由于()等引起的电弧、电火花和局部过度发热等引起的。 ["电器短路","电器设备的选用不当","操作失误","违章操作","长期过负荷运行","安装不合理"]
回归分析法
任意一种资源,如果它在某种用途上的机会成本等于零,则它对该种用途的供给曲线就垂直。
过错责任原则
public interface Foo{ int k = 4; } Which three are equivalent to line 2?() [" Final int k = 4;"," Public int k = 4;"," Static int k = 4;"," Private int k = 4;"," Abstract int k = 4;"," Volatile int k = 4;"]
简述证据学的研究方法。