c#小菜 弱弱提一个关于线程同步的问题

这个是线程的wait和 pulse使用例子。我在调试的时候想到一个问题请各位达人给一个解释谢谢了
具体提问见代码里的注释
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
namespace WaitandPulse
{
    class WaitAndPulse
    {
        static void Main(string[] args)
        {
            LockME l = new LockME();            WaitPulse e1 = new WaitPulse(l);
            WaitPulse2 e2 = new WaitPulse2(l);            Thread t1 = new Thread(new ThreadStart(e1.CriticalSection));
            t1.Start();            Thread t2 = new Thread(new ThreadStart(e2.CriticalSection));
            t2.Start();            Console.ReadKey();
        }
            public class LockME
        {
        }        public class WaitPulse
        {
            private int result = 0;
            private LockME _lM;            public WaitPulse()
            {
            }            public WaitPulse(LockME l)
           {
               this._lM = l;
           }            public void CriticalSection()
            {
                Monitor.Enter(this._lM);                Console.WriteLine("WaitPulse:Enter Thread"+ Thread.CurrentThread.GetHashCode());
                for (int i = 1; i <= 5;i++ )
                {
                    Monitor.Wait(this._lM);
                    Console.WriteLine("WaitPulse:WokeUp");
                    Console.WriteLine("WaitPulse:Result=" +
                                      result++ + " ThreadID "+ 
                                      Thread.CurrentThread.GetHashCode());
                    Monitor.Pulse(this._lM);
                }
                Console.WriteLine("WaitPulse:Exiting Thread" + Thread.CurrentThread.GetHashCode());
                Monitor.Exit(this._lM);
            }
        }        public class WaitPulse2
        {
            private int result = 0;
            internal LockME _1M;            public WaitPulse2()
            {
            }            public WaitPulse2(LockME l)
            {
                this._1M = l;
            }            public void CriticalSection()
            {
                Monitor.Enter(this._1M);
                Console.WriteLine("WaitPulse2:Entered Thread" +
                                   Thread.CurrentThread.GetHashCode());
                for (int i = 1; i <= 5; i++ )
                {
                    Monitor.Pulse(this._1M);  //线程首先去waitpulse然后等待，接着程序来到这里。在此处临时释放锁，若果
                    Console.WriteLine("WaitPulse2:Result = " +   //这个pulse和下面的（红色的）之间的操作占用的时间片很长的话
                                      result++ + " ThreadId " +  //waitpulse 会不会获waipulse2上对lockme的锁
                                      Thread.CurrentThread.GetHashCode());                    Monitor.Wait(this._1M);                    Console.WriteLine("WaitPulse2:WokeUp");
                }                Console.WriteLine("WaitPulse2:Exiting Thread" + 
                                   Thread.CurrentThread.GetHashCode());
                Monitor.Exit(this._1M);
            }
        }
    }
}