大数据的核心是洞察,洞察有以下哪些特色?() ["洞察未来趋势","洞察工作重点","洞察调度奥妙","洞察管理规律"]
1. public class Exception Test { 2. class TestException extends Exception {} 3. public void runTest() throws TestException {} 4. public void test() /* Point X */ { 5. runTest(); 6. } 7. } At Point X on line 4, which code is necessary to make the code compile?() [" No code is necessary."," throws Exception"," catch ( Exception e )"," throws RuntimeException"," catch ( TestException e)"]
单粒结构
13世纪德国博伊伦修道院的一份世俗歌曲手稿叫做() ["《尚颂曲集》","《卡米纳·布拉那》","《罗兰之歌》","《罗班和玛利昂的游戏》"]
长安的安全理念是()。 ["不断创新","关爱生命,严守规则","零伤亡","无事故"]
什么是Y-Δ降压起动?该电路有何特点?它适用什么样的电动机?