The picture shows the Yaounde Conference Building and its model.
图为雅温得会议大厦及模型。
Most of the delegates to the conference are selected from model workers.
出席大会的大多数人是从工人模范中挑选出来的。
The conference control results demonstrate that this model is applicable and effective.
实践表明，该会议控制模型是合理的、有效的。
The conference control results demonstrate that this model is applicable and effective.
实践表明，该会议控制模型是合理的、有效的。
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