a rule-of-thumb的意思|示意

Based on his experience with the Science Barge, he has devised a rule of thumb: generating enough electricity using solar panels requires an area about 20 times larger than the area being illuminated.

基于他在科学驳船上的经验，他制订了一个经验法则：使用太阳能电池板产生足够的电能需要一块约20倍以于照明面积的电池板。

As a rule of thumb, if a virtual application pattern meets the needs of your application, then it offers the most value to your organization.

一条重要原则是：如果某个虚拟应用程序满足您的应用程序的需求，那么它就能向您的组织提供最大价值。

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。

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.

一个很好的经验法则是，雇主要获取利润的话，其中间人必须创造10倍于自己薪水的销售额。

As oil prices rise, ethanol starts to be competitive again (as a rule of thumb, ethanol is profitable when petrol costs $3 a gallon in America, a level it has just reached in California).

石油价格上涨，乙醇竞争力再显（在拇指原则中，当美国石油价格达到3美元一加仑时，乙醇就有利可图，现在加州的油价刚好达到这个水平）。

As a rule of thumb, you should rename your items, i you like to continue synchronize with this server again later.

按照经验来说，如果你希望以后还要和这个服务端进行同步的话，你应该更改条目的名字。