as a rule of thumb

As a rule of thumb, if you find yourself wrapping more than three disparate chunks of code in a category, consider making it an expando.

一般说来，如果您发现自己在一个category中包装超过3个根本不同的代码块时，考虑使用expando。

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As a rule of thumb good trend lines should touch at least three previous highs or lows.

实际经验证明，一条可信的市场动向曲线应当至少三次碰到先前的高峰点或低谷点。

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As a rule of thumb, once the fund has returned to investors the capital drawn from them, plus management and other fees, the subsequent profits are split.

一般而言，一旦基金将本金返还给投资者，在扣除管理及其它费用之后，剩余的利润将进行分摊。

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Hence, as a rule of thumb, you may consider setting the number of page cleaners equal to the number of CPUs on the database server.

因此，根据经验法则，您可以考虑将页面清洗器的数目设置为数据库服务器上CPU的数目。

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As a rule of thumb, if you wouldn't read or watch it in your native language, you also shouldn't in your second language.

一般来说，对一本书或一部电影如果你连母语版都提不起兴趣，那么就别尝试外语版了。和外国人聊天

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As a rule of thumb, I recommend avoiding test-case inheritance.

作为最佳策略，我建议避免测试用例继承。

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On average, about 15 percent of students at elite colleges receive Pell grants, which as a rule of thumb go to students in the bottom half of the income distribution.

平均来看，顶尖学府的学生中，约15%获得了佩尔助学金（Pell），根据经验，该项助学金一般由家庭收入低于中值的学生获得。

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As a rule of thumb, unless there are strong constraints due to a specific application or environment, it is usually preferable to use the Multiple server classloader policy.

根据一般经验，除非特定的应用程序或环境存在严格约束，使用“多个”服务器类加载器策略通常较为可取。

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As a rule of thumb, you should make most properties private, then provide methods for getting and setting them if necessary.

一般来说，应将大多数属性声明为private，然后根据需要提供获得和设置这些属性的方法。

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As a rule of thumb, when I see a projection, I add one year to delivery time and multiply by0.1.

作为首要的规则，每当我看到一个规划，我会在规划实现时间上的每一年间隔，就对其规划的结果乘以0.1。

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As a rule of thumb, public investors rarely pay higher multiples for a company growing 100% versus a company growing 50%, all else being equal.

按照他们的经验法则，其它条件相当时，相对于增长率50%的公司，公众投资者并不会给予100%增长率的公司更高倍数的估值。

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As a rule of thumb, if you can't dunk a basketball, you wouldn't be able to escape this asteroid by jumping.

作为经验估算，如果你没法扣篮，那么你就不能通过竖直起跳的方式逃离这颗星球。

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As a rule of thumb, floating-point is about2x slower than integer on Android devices.

根据经验，在Android设备上浮点型要比整型慢两倍。

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You should keep your receipts as a rule of thumb.

通常来说，你应该保留发票。

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As a rule of thumb, we only create a cinemagraph from subject matter that would also make a good still photo.

作为经验法则（Rule of thumb），只有这些静止的图片本省也是佳作的时候，我们才会创作Cinemagraph。

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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。

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As a rule of thumb, wherever there is "system invocation logic embedded in the BPEL implementation" we expect the divergence to be high.

从纯实践经验的角度看，我们认为，凡是“在BPEL实现中嵌入了系统调用逻辑”时，上述二者的差异都会非常明显。

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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 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.

As a rule of thumb, you can increase the size of the buffer pools as long as you get a corresponding increase of the bufferpool hit ratio.

首要原则是，只要能够获取一个对应的缓冲池命中率增加，就可以增加缓冲池的大小。

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As a rule of thumb, the higher the better.

就想拇指规则一样, 越高越好.

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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。

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。

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As a rule of thumb, we need a cup of flower, a cup of sugar and a cup of butter to make a basic sponge cake.

例句一般来说，做一个基本的海绵蛋糕，我们需要一杯面粉，一杯白糖和一杯黄油。

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As a rule of thumb, aperture webs should be no less than the stencil thickness to curtail bridging defects.

为了减少连锡孔网应不少于钢网厚度。

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As a rule of thumb, turning points in the economy are signaled by three consecutive monthly LEI changes in the same direction.

连续三个月LEI指数朝同一个方向变化是经济转折点的重要信号。

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Injection density is often used as a rule of thumb to estimate the difficulty of curing resonant combustion.

时常把喷射密度作为一个经验法则来估计解决共振燃烧问题时的困难。

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This basic chemical knowledge, which was applied in most cases as a rule of thumb, was nevertheless dependent on previous experiment.

这些在大多数情况下被我们当做真理一样来运用的化学知识，依据的也不过是以往的经验。

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As a rule of thumb, you should plant the seeds in spring.

根据经验你应该在春天播种。

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As a rule of thumb, each theme should contain between two and five coarse-grained requirements to start with.

一般来说，每个主题都应该包括二到五个粗粒度的需求。

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