In fact, the authors had a rather elaborate selection procedure for choosing the target photos in this follow-up study.
实际上，作者有一种相当精巧的甄选程序来为后续的研究选取目标照片。
2
If you follow this procedure for your project, your will end up with a nice program that is easily installable by others.
如果对于您的项目遵循这个过程，您将会得到一个易于别人安装的好程序。
3
The cost varies depending on the procedure, ranging from hundreds to thousands of dollars. Also consider the cost of any follow-up care or additional corrective procedures.