In capacity as Professor of Mathematics at Fudan University?I'm writing to recommend Mr. Wang?Gesintosyour PhD program in Computer Science. I have known Mr. Wang since his sophomore year of college?and have acted as his thesis advisormentor. In my experience?he is a gifteddiligent student?and an admirably hard worker.
Wang is an impressive student because he has been forced to overcome the significant challenge of a serious illness during his freshman year. When I first met Wang in my Discrete Math class?he did not appear to be anything special to me. While his exam scores were good?they were not as high as I would now expect of him.
What I didn't know then was that due to his illness?Wang was attempting to take all of the difficult early mathematics courses at one time?including Discrete Mathematics?Advanced Mathematics?Linear Algebra?and Possibilities. While most students found preparing for just one set of these exams difficult?Wang was overwhelmed by four of them. But in the end?he achieved an impressive score on the final exam?which made me conscious of his unusual determination he demonstrates when confronting difficult challenges.
Mr. WangI have often talked about a variety of mathematicscomputer science conceptsproblems. During these discussions?I always found him to be delightfully intelligent. Not only does he quickly understand the conceptsproblems presented to him?he is able to analyze these problemspresent solutions. But perhaps most important is that Wang's thinking is intensely rigorous. When looking at any question?he carefully scrutinizes itif he finds any uncertain issue
he clears them up immediately. I believe this kind of thought is essential to become an excellent computer programmer.
Serving as his thesis advisor?I had a first-hand opportunity to observe the way in which Wang's mind works. In his senor thesis?Mr. Wang mainly discussed two challenging questions in regards to″ANN″。 In our books in China?knowledge of ANNits uses are very rare. Few people in China have studied this topicconsequently?the materials that are available on ANN are limited. Working on this difficult project?not only did Mr. Wang rise to the challenge?but he went abovebeyond the call of duty to analyze his secondary sourcestest them for accuracy in practice. In this way?he found mistakes in the book that we use. His diligencehard work made me extremely proud of him.
在德国的每一座城市,有80%的保持着它们的曾经的容貌,几乎没有改变过。我去过的最具代表性的是科隆。大部份人想到的是那座著名的大教堂——科隆大教堂!它已经建造了三百年,目前它依旧还在建造中。它的主体由大理石构成,但可惜它没挺过工业革命一场场酸雨把它那洁白的”婚纱”变得漆黑。尽管如此,德国人们自发地为大教堂“洗白”。每年自费为大教堂捐赠40多万欧元买石灰粉。如今,它又能绽放当年洁白无暇的面庞。在被誉为德国科学圣地的科恩,我看见了一个在1890年由青铜铸造的城区地图,每一个街道都是被复原的一模一样。我的一位德国朋友说每年德国人在家中都会花大笔的钱去维护人出人意料的屋子。
12月1日是德国大使馆一年一度的圣诞节活动日。每年德国大使馆都会在圣诞节前的1个月左右,选一个周六,在大使馆内举办这样的\'活动,活动主题是:吃。各种欧洲美食:热狗,红烩泥肠,热葡萄酒,猪肉卷,红菜汤,德国饺子,姜饼,小蛋糕,啤酒,香肠等等,还有一些德国人自制的圣诞蛋糕。除了吃的以外,还会有一些摊位,出售圣诞节相关的礼物,比如蜡烛,圣诞装饰挂件,圣诞日历等等。整个活动洋溢着食物的温暖和活动的热情。
每次来参加这个活动,都抱着十分期待的心情,第一自然就是那些很正宗的美食,虽然价格不便宜,但味道却非常好。第二个期待自然和桌游有关,不过却是活动的很小一部分。在活动中,会有几张桌子,出售一些旧书和画册,不过自然都是德语的。而在桌子旁边会有一些箱子,多数也是图书,但每次都会有那么几个旧的二手桌游出现,这也是我第一年去的时候偶然发现的。就是这个小小的发现,让我每年都会惦记着这个活动。那么都是什么有趣的二手游戏呢?从第一年说起吧。
第一年的收获让我异常惊喜,不过对于并不了解这个游戏的人来说,可能不会对封面停留片刻。这款游戏的名字叫《Shogun》,他并不是近几年出版的版图战争游戏,而是1976出版的一款有趣的棋类游戏。因为在3年前我就开始在大众软件连载SDJ大奖的获奖游戏和提名游戏介绍,而这款游戏正是SDJ第一年的提名游戏之一。并且这盒游戏是1979年的版本,盒子比在bgg上的照片还要新,而且只卖30元。游戏是两人棋类对弈,版图是一个包含8*8格子的塑料棋板,每个玩家有7个普通棋子和1个国王棋子,每个棋子有一个可以1-4变动的数字,数字是一个铁片,每次玩家移动后,由于版图下面在特定位置有吸铁石,所以数字会产生变化。也就说,玩家每走一步后,棋子下次可以走的步数都会产生变化,而且很难预知。棋子的走法是数字为几必须走几格,但不能来回走。国王棋子只能走1格。游戏中可以吃掉对方的棋子,谁能吃掉对方的国王,谁获胜。
第二年的游戏也很有意义,是1979年版本的《Mastermind》盒子有点旧,不过里面配件齐全。这款游戏曾经出现在学习机上,有些玩家玩过,游戏是6种颜色的棋子,可以插在图版上的四个孔上,玩家可以选择插重复颜色的,之后另一位玩家要猜棋子的颜色和位置。每次猜后,布置的玩家要给提示,如果有的棋子颜色对,位置不对,则放一个白色的提示棋子,如果有的棋子颜色对,位置也对,则放一个黑色的提示棋子,猜的玩家最多猜9次。游戏也有进阶的玩法,就是有的位置可以留空,把空作为一种猜测的条件。
他身为单身汉远近知名!
不想小爱神和他开了个玩笑,他六十岁突然善感多情。
邻里有一位市民女儿。
菲奈特是姑娘的芳名。
她体态轻盈,迷人异常,叫老少爷们望穿了眼睛。
男爵老爷也被她征服,醒里梦里都看见她的倩影。
男爵老爷终于暗忖。
“为什么只是个影子?影子只好想一想,要搂在怀中却不成!
她非做我的老婆不可,和我一同起身,一同就寝!笑骂的任随他笑骂;高贵的姑妈、侄女和弟媳妇,菲奈特是我妻子,也是诸位的——仆人!”
已这么有把握?请慢慢往下听。
男爵老爷上门去提亲,他拉住姑娘的小手,举止文雅,完全合乎身分。
他说:“我,封·克利桑特男爵,选中了你,孩子,做我的夫人。
我的田产宽广又肥沃,希望你不要自误终身。”
说完他戴上一副大大的\'眼镜,开始念一张长长的清单,表明上帝给了他多少财富,他愿给她的聘礼何等丰盛。
将来他还要留给她大笔遗产。
老财主从头念到尾,每念一条,都透过眼镜贪婪地瞅一瞅他的小美人。
“喏,孩子,你看怎样?”
说完这句话,他就不声不响,同时慢慢摘下了眼镜——(因为他考虑,这个聪明姑娘才不会放过眼前的机会呐,她会忙不迭他说一声“好的”,我也马上给她一吻,让我俩幸福无疆。
可是呢,激动之中容易折断了我贵重的服镜腿!)——眼镜于是被小心地摘下来,拿在手上。
这就给了菲奈特时间,让她考虑成熟后,再讲:
“老爷,您谈到求婚和聘礼,啊,老爷,这统统都很美妙!
我将穿绸裹绒四处走。
走干吗?我不会再走,而是坐着六匹马的车四处巡游。
旁边还有一大群仆从,供我差遣,将我侍候。
啊!我说过,一切都十分美好,要是我……如果我……”
“什么如果?我倒要瞧瞧,”
说时老财主胸口一挺,“看有什么‘如果,能妨碍我!”
“如果我发誓不……”
“发誓不什么?菲奈特,发誓不嫁人,是吗?噢,胡思乱想,”男爵喊道,“胡思乱想!”同时抓起眼镜,再一次透过镜片,将姑娘细细端详,嘴里一个劲儿喊:
“发誓不嫁人!胡思乱想!胡思乱想!”
“且慢!”菲奈特道,“只是发誓不嫁像老爷您这样的总将眼睛藏在兜里的新郎!”
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