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[名词解释] 简单多边形做三角剖分

Given that a static method doIt() in a class Work represents work to be done, what block of code will succeed in starting a new thread that will do the work?   CODE BLOCK a:   Runnable r = new Runnable() {   public void run() {   Work.doIt();   }   };   Thread t = new Thread(r);   t.start();   CODE BLOCK b:   Thread t = new Thread() {  public void start() {   Work.doIt();  }  };   t.start();   CODE BLOCK c:   Runnable r = new Runnable() {   public void run() {   Work.doIt();   }   };   r.start();  CODE BLOCK d:   Thread t = new Thread(new Work());   t.start();   CODE BLOCK e:   Runnable t = new Runnable() {   public void run() {   Work.doIt();   }   };   t.run();   ["Code block a.","Code block B.","Code block c.","Code block d.","Code block e."] 已知某台流量计流量测量范围50~500m3/h,求量程()和量程比() ["550m3<\/sup>\/h","450m3<\/sup>\/h","10:1","11:1"] 等级资料 ()圈闭属于构造圈闭。 ["超复","断层","岩性","不整合"] 全麻 简单多边形做三角剖分
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