trial and error

Many drugs were found by trial and error

很多药物都是通过反复试验才发现的。

The fundamental fix — reshaping how care is delivered and how doctors are paid in a wasteful , abnormal system — is likely to be achieved only through trial and error and incremental gains .

基本的解决方式，如改变医保服务的落实方法以及畸形低效的医生支付体系等，都必须要通过反复试验和积累来达成。

It was largely a matter of trial and error .

这主要是个反复实验的问题。

She feels that raising her children has been a matter of trial and error .

她感到抚养孩子就像是摸着石头过河。

Children learn to use computer programs by trial and error .

孩子们通过反复摸索才学会运用计算机程序。

He learned to cook by trial and error .

他不断尝试学烹调。

Nobody taught him and he actually learnt by himself through trial and error .

虽然没有人教，他摸索了一段时间，竟自学会了。

We learn , in a sense , by trial and error .

从某种意义上说，我们通过反复试验来学习。

They are the result of a long process of trial and error .

它们是一个长期不断试验，中间有不少错误的结果。

many people find their own best tactics through trial and error .

很多人都是在反复尝试中才找到了适合自己的最佳方法。

That means progress will be made only by trial and error .

这就是说，只有不断尝试并犯错之后，才能取得进步。

You need to learn what works by trial and error .

你必须要通过实验和错误去学习什么是管用的方法。

The reform of education is an exploration with trial and error .

教育改革的进程是一个探索的过程。

The trial and error procedures in the direct method (ⅰ)

直接法中的尝试法（Ⅰ）

They established their present working methods by a process of trial and error .

他们经过反复实验确破了目前的把持方法。

Growth is a process of trial and error : experimentation .

成长是一个不断尝试和犯错误的过程，需要实验。

And that can take a little bit of trial and error .

这期间可能需要一些常识，也可能会出现一些错误。

Choosing the values to use involves some trial and error .

要经过几次尝试和出错之后才能选好要使用的值。

The method of trial and error ;

试错法；

But capitalism is a long-term process of trial and error .

然而，私有化是一个长期的尝试过程。

Only trial and error can determine which is best .

这是最好的，只有审判和错误判断。

Specific behaviour must be determined by trial and error .

特殊的行为必须是通过探索试验来决定。

If you look closely , it 's really trial and error .

如果你仔细观察，真的只是不断尝试和不断错误。

Trial and error is one method to determine an appropriate moving average length .

试错是一个方法来确定一个适当的移动平均线的长度。

This involves a lot of trial and error , and .

尝试和错误是知识的来源。

Like many animals , people also learn to swim through trial and error .

像许多动物一样，人也要通过反复适应才能学会游泳。

The calculation of the collapse load involves trial and error .

毁坏荷载的求算属于试凑方法。

It may take a little trial and error to make your system work seamlessly .

这需要花费一些时间才能检验出这个体系的流畅度。

The process that people get to know the external world was process of trial and error .

人们对外部世界的认识过程是尝试和错误的过程。

The only way he could solve the problem was by the method of trial and error .

他能够解决这个问题的唯一办法就是不断摸索。