基于发射特性实验数据，设计一把模型枪，实验结果表明加热效率和发射能力达到设计要求。
Design a model electron gun according to the DC emitting characteristic, and the measurements accord with our expectation.
他在1983年举行的展览期间被一群男孩包围。他们简直不能相信这些模型是实体枪的真实副本，因此想要拆卸下来研究其相似性。
During his exhibition held in 1983 he was surrounded by boys who couldn't believe that the models were true copies of real guns and wanted to disassemble them to see the similarity.
我们这里所说的模型是实体枪的细节再现。
What we are talking about here are models that reproduce real guns in details.
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