通过试验和错误的方法我测试了很多价值…
我已经收集了一段时间，一起通过试验和错误。
I have collected together over a period of time through trial and error.
虽然试验的形状，我很快就意识到最好的设计创造了通过试验和错误。
While experimenting with shapes, I quickly realized the best designs were created through trial and error.
尽管我通过这个项目学到了很多东西，但是我所获得的知识来自于反复的试验和错误，并且花费了很长的时间。
While I learned a lot on that project, the knowledge I gained was a result of trial and error and many long hours.
这虽是一个比通过让人们反复试验和发生错误更好的方法，但这并不能确保每个访客都能对他们看到的内容感到满意。
While this is a better idea than letting people go through trial and error, it doesn't ensure that every visitor will be happy with what they see.
以前研究人员需要在反复试验和错误中通过对机器人的31块人造肌肉每一块单独编程才能使这个难以置信的真实爱因斯坦机器人做出面部表情。
To get the incredibly realistic Einstein robot to make facial expressions, researchers used to have to program each of its 31 artificial muscles individually through trial and error.
以前研究人员需要在反复试验和错误中通过对机器人的31块人造肌肉每一块单独编程才能使这个难以置信的真实爱因斯坦机器人做出面部表情。
To get the incredibly realistic Einstein robot to make facial expressions, researchers used to have to program each of its 31 artificial muscles individually through trial and error.
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