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Black Holes

While most stars end up as white dwarfs or neutron stars, black holes are the last evolutionary stage in the lifetimes of enormous stars that had been at least 10 or 15 times as massive as our own sun. When giant stars reach the final stages of their lives they often detonate in cataclysms known as s ...
When large meteorites strike Earth, as pictured above in an artist's conception, they often vaporize and change the ratio of certain chemicals in ocean water and sediments.A new technique that analyzes these chemical clues suggests that the meteorite that wiped out the dinosaurs 65 million years ...
        在执行这个游戏时,最后屏幕上显示的是如下图所示。 甲虫情况变成了Beetle@60aeb0。   原来在System.out.println(beetle)中实际上用到了toString方法,为了清楚表达甲虫的情况,要重写这一方法。 在Beetle类中加入下面重写的toSting()方法: public String toString() { if(body) { String result = "你的甲虫现在有了一处躯干!"; if(head) { if(eyes &g ...
游戏规则:参与人数1人以上,谁的甲虫最先完整谁就胜出。初始的甲虫不具有任何器官,而完整的甲虫具有躯干、头部、6条腿、两只眼、两只触角、一条尾巴。 玩法:轮你掷骰子时,按如下规定采取动作: 1:如果甲虫已有一处躯干,传骰子给下一位。否则,添加一个躯干,并再掷一次。 2:如果甲虫已有头部或没有躯干,传骰子。否则,添加一个头部,并再掷一次。 3:如果甲虫已有6条腿或没有躯干,传骰子,否则,添加两条腿,并再掷一次。 4:如果甲虫已有两只眼或没有头部,传骰子。否则,添加一只眼睛,并再掷一次。 5:如果甲虫已有两根触角或没有头部,传骰子,否则,添加一根触角,并再掷一次。 6:如果甲虫已有一条尾巴或没有躯干, ...
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