Ananalytical drawing project that involves the step by step study of a group of objects.
这是一个通过观察分析进行绘画的项目，包括一个系列的学习步骤。
This scheme has been approved and the project has been implemented step by step.
该方案已经获得批准，目前正在分步骤建设实施。
This scheme has been approved and the project has been implemented step by step.
该方案已经获得批准，目前正在分步骤建设实施。
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