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1. 经验公式：不过支持者们指出,EVT有着健全的(sound)的数学基础,而不仅仅是经验公式(ruleofthumb). 1980年,日本巨型散装船Derbyshire(德比郡号)在一次台风中沉没,44名船员失踪. 由此造成了长久的争议,到底该船是因为设计失误而沉没,还是因为船员操作不当?
2. 单凭经验来做的方法,比较简单有效的方法：roller coaster娱乐场的环形滑车道 |ruleofthumb单凭经验来做的方法,比较简单有效的方法 | shutoff关掉(煤气等切断,使隔绝,脱离
我烹饪从来不称重量——只是凭经验下料。
I never weigh anything when I'm cooking.I just do it by rule of thumb.我做饭时从来什么也不称量，只是根据实际经验估量做。
As a rule of thumb, a one-cent-a-gallon gasoline tax raises1 billion. Oil producers in President-elect Bush's adopted state of Texas, however, would rather see a tax on imported crude oil.一般情形是，每加仑加汽油一分钱的税可以征收10亿元。可是，在布什第二家乡德克萨斯州的产油商宁愿看见在进口原油上征税。
As a rule of thumb, you should cook a chicken for 20 minutes for each pound that it weighs.凭经验估计，每磅鸡肉应烹调20分钟。
He often works by rule of thumb.他通常凭经验办事.
As a rule of thumb, a cup of filter coffee contains about 80mg of caffeine.凭经验估计，一杯过滤咖啡约含80毫克咖啡因。
A good rule of thumb is that a broker must generate sales of ten times his salary if his employer is to make a profit.根据经验来看，如果雇主要获得利润，那么其代理商必须卖出相当于其工资10倍的销售额。
We aim for 80 % contrast as a general rule of thumb.我们认为的最佳的对比度是80%,这可以作为一般的经验值.
The rule of thumb in this business is courtesy.这门生意的形式法则是礼貌至上.
A teacher's most basic rule of thumb is: be patient.教师最根本的法则是耐心.
As a rule of thumb , the minimum device feature is about 4 times the beam diameter.一般来说, 最小器件图形大约是电子束直径的4倍.
I just do it by rule of thumb.我凭经验做的.
He worked out how much wood he'd need by rule of thumb.他靠经验计算出他需要多少木料.
He can predict a typhoon by rule of thumb.他能凭经验预测出台风.
All those figures were worked out by rule of thumb.所有这些图形都是凭经验作出来的.
A rule of thumb is to allow flexibility with length.一条经验法则是允许灵活性和长度.
As a rule of thumb, a one - cent - a - gallon gasoline tax raises 1 billion.一般情形是, 每加仑加汽油一分钱的税可以征收10亿元.
As a rule of thumb, the higher the better.就想拇指规则一样, 越高越好.
In the bond market rule of thumb was low credit quality equals high returns.债券市场的经验也是低信贷质量等于高回报.
