昨天说手表的实际颜色和网上展示的不同，夜里回去拍了几个微距，对比一下。这个是厂家拍摄的：
这个是我拍摄的：
除了拍摄水平以外（不过我认为用佳能A95能拍出来这样的微距已经不错了，呵呵），差别还是很大的。实际上表盘的颜色比我所拍的还要暗些。另外，像我见过的其他石英表一样，秒针仍然对不准刻度，是不是所有的石英表都是这样呢？奇怪了。解决这个问题应该没有技术上的障碍，不知道是不是厂家认为无所谓。还有，研究了一下英文版的说明书，不能在夜里八点到凌晨一点调整日期，这样下一日指针不会转动。其实基本每月底都要调整一下日期，因为它不能识别大小月。还有说是有50M防水功能，就是100M防水我也不舍得试呀，呵呵。刚才截下来四节表链，大叔收1.5元，不黑。
顺便说一句，这款表的全称是MTP-1246D-7AVDF-1794，真是麻烦的可以。
yangyeoh同学，感觉怎么样？决定买了不？
Tags:卡西欧 生活前一段决定买个手表，但支付宝上只剩下150多RMB，不够。本想一个feedsky话题广告就搞定了，结果就是等不来。昨天在yangyeoh的博客上得知他可以用网银对支付宝充值，于是就借了61大元。夜里拍下，8点就发货了，今天还在顺丰网站上跟踪包裹记录呢，结果下午3点多的时候那个快递员来了（我们经常寄样品到北京，就是他经手的），居然已经到了！真是迅速！那个时候跟踪记录上还没有上门派件一栏，估计是我签收后回去加上的。
在说说手表吧，买的是另外一个店的，因为价格便宜、信用度颇高，并且有退款担保。颜色确实和图上不同，说是灰白，实际上有点类似瓷青的颜色，有时间上个图，总之还可以接受。表链有点长，等雨停了去截一下。
Tags:卡西欧 生活Tennis is one of the noblest sports in the world with golf and billiards. More and more people started to love this game. For example, many students on our campus are learning to play with enthusiasm. Moreover, Tennis is a sport need professional equipments, not like football game–only a football is enough, even a pair of shoes is not needed, just like beach football. So equipments of good quality are very important for tennis players, not only guarantee your excellent performance but also prevent from hurt.
Looking for something related to tennis online, tennis fans? Tennisplaza is the best place to go for its free shipping, free stringing and unsurpassed price guarantee. All things you want are available in Tennisplaza, such as tennis skirts for girls, tennis shirts for boys and tennis strings for both. For example, you can get tennis strings with new technology which makes them not slide during play and those offering the ultimate combination of explosive power, soothing comfort, precise control, and incredible feel. Girls may like tennis skirts here made of soft touch fabric with ventilated ClimaCool and seamless inner attached short tights. And Adidas men's competition theme polo Shirt may satisfy you for ForMotion actively supporting your muscles for improved comfort and efficiency. In addition, the categories of Tennisplaza are clear and informative, making it easy to find expected goods. Of course, besides the equipments mentioned above, other goods such as shoes, socks and accessories can also be got in Tennisplaza.
TennisPlaza is owned and operated by Racquet World, one of the largest, most reputable tennis stores in US, which has history of more than 16 years. Racquet World is known for its wide selection, competitive prices, knowledgeable personnel, and dedicated service. So do not worry about the profession and quality of the service of Tennisplaza, not to mention its slogan service is our game.
如果你住的离马路不远，你有没有发现有时候夜里马路上车辆来往的声音很清晰，而有时候又几乎听不到呢？排除过往车辆数目的变化，是什么原因所致呢？
前两天夜里发现二环路上车辆的噪声超大，刚住进新租房子的同学也说房子是不错，就是二环路噪音太大。而环城路上的车辆数目和类型在一定时期内可以看成是固定的，故车辆的影响不计考虑。而前两天是万里无云的天气，是不是噪音大和天气有关系？答案是肯定的。
到网上搜索了一圈子，答案可以感慨如下。天气晴朗，则气压高。气压高可以理解成空气的密度增大。而声音的传播是和空气的密度密切相关的。空气密度大，声音传播速度快，也就是能量高，进而对耳膜的振动程度也加大，所以人就感觉噪音很大。简单说来就是天气越晴朗，噪音也就越大，当然突然变天就另说了。
博友们可以验证一下。
参考资料：大气压、声音的传播和大气压的关系
Tags:声音传播 大气压 天气 科技今天走到湖南师范大学的时候又想起来normal的含义来，“正常”和“师范”毫无瓜葛，怎么在英语中就能用一个词来表示呢？原来是受法语的影响，法语中的师范学校是école normale。众所周知，很多英语单词都受到了德语（忘了，呵呵）、法语（fiancee）、甚至汉语（好久不见 Long time no see）的影响。
wikipedia上对normal school词条解释中有以下一段：
The terminology is preserved in the official translations of such schools in both the Republic of China and the People’s Republic of China since the early 20th century. A Chinese normal university (Chinese: 師範大學; Pinyin: shīfàn dàxué, abbreviated 師大; shīdà) is usually controlled by the national or provincial government. A teachers’ college (師範學院; shīfàn xuéyuàn, abbreviated 師院; shīyuàn) has lower entrance requirements.
大意是中国大陆和台湾把normal当作师范的正式用词，师范大学一般是指国家级和省级的，而师范学院的门槛相对较低。在google搜索normal university，结果绝大部分是大陆和台湾的学校，这也可以作为以上说法的佐证。菲律宾国立师范大学也在其中 显得比较“另类”。
Tags:normal university 科技
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