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 entire , including thinking activities, trial and error processes, and states of, was faithfully recorded.

每首儿歌,从有了主题, 到最后完成,其间所经过的状况及思考活动, 包括尝试错误的过程, 都有详细的记录.

To find the service conflicting with the program follow this trial and error method.

要找出与程序冲突的系统服务,请参照如下的实验排除错误法.

The above general rules allow the isopachs to be drawn by trial and error.

有了上述的一般规律,即可采用试凑法来描绘等和线.

Through trial and error, we can accumulate experience and thus access to success.

我们能够从一次次的失败中积累经验从而获得成功.

The process parameters were usually determined in production by trial and error method.

筒形件强力旋压中各工艺参数在生产中常用试旋的方法确定.

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.

The calculation of the collapse load involves trial and error.

毁坏荷载的求算属于试凑方法.

In general, the design procedure is not straightforward and will require trial and error.

一般说来, 设计过程不是一帆风顺的,而需要反复试验.

They didn't know how to put in a central heating system, but they managed it by trial and error.

他们不知道怎样安装集中供暖设备, 但是经过反复试验终于安装好了.

I finally found the right key after lots of trial and error.

经过反复试验,我终于找到了正确的方法.

GS : Your operation seems to involve a lot of trial and error.

您的尝试似乎包含了太多的尝试与失败.

Popper also compares the method of trial and error with dialectics and criticizes Marxist dialectics wrongly.

为了推广试错法,波普尔进一步把试错法与辩证法进行比较,对马克思主义辩证法进行了错误的批判.

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.

SCIENCE proceeds by trial and error.

科学在不断的实验和错误中前进.

Most inventions are made through trial and error.

大部分发明都要经过反复的实验才能成功.

Through trial and error we are gradually learning how together to create new realities.

通过尝试和失误,我们逐渐了解如何才能共同创造新世界.

He learned technical skills by trial and error.

他通过不断摸索掌握技能.

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。

Life is full of trial and error.

人生充满了尝试与错误.

Inventions and innovations almost always come out of laborious trial and error.

发明及创新几乎都是艰苦的试验和失败的产物.

Methods: To select best chromatographic condition by trial and error, making changes in sorbent, developing agent.

方法通过改变层析条件吸附剂、展开剂 、 显色剂,反复实验, 筛选出适宜的层析条件.

They also need to practise skills and learn by trial and error.

他们也需要锻炼技巧和通过反复试验来学习.