The first demonstration lesson about the failure.
第一次的示范课讲得很失败。
This is the first demonstration project in medical Internet of Things.
这也是全国第一个医疗物联网的示范工程。
The world's first complete demonstration plant began operating in September 2008.
2008年9月，世界上第一座功能完善的示范工厂开始运作。
It was the first transatlantic demonstration of television.
这是第一次到达大西洋彼岸的电视演示。
First, the correctness of control method is verified by theoretical demonstration.
首先从理论上论证了控制方法的正确性。
First public demonstration of long distance transmission of television.
第一次公开演示远距离电视传输技术。
Construction of the first commercial coal liquefaction demonstration plant has now commenced.
世界上首家煤炭直接液化工业性示范厂也已开工建设。
Last Night, I had my First English Demonstration Class for students at Xiawu.
昨晚，我在霞梧教室开始了第一堂面向同学们的英语公开课。
Last Night, I had my First English Demonstration Class for students at Xiawu.
昨晚，我在霞梧教室开始了第一堂面向同学们的英语公开课。
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