参与原始设计的设计师应当参加模型开发的整个阶段他必需了解模型工作有那些被选中的设计的原始内容
The designer involved in the original design should participate in the entire stage of model development. He must understand the original content of the selected designs in the model work
以上为机器翻译结果，长、整句建议使用 人工翻译 。