In the end, advertising is a trial-and-error process.
最后，广告是一个试错过程。
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。
There was an error in the writing process.
在写入过程中有一个错误。
This approach could process the information of image contour in large, rapid and less error.
本方法可大量、快捷、正确地提取图像轮廓信息。
This approach could process the information of image contour in large, rapid and less error.
本方法可大量、快捷、正确地提取图像轮廓信息。
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