At Space Camp, trainees can earn their Space Exploration badge as they build and fire model rockets.
在太空营，学员可以制作和发射火箭模型，以此获得太空探索徽章。
And instead of grafting technology onto existing, inefficient processes, as often happens in America, Indian providers build their model around it.
与美国移植到现有的技术，效率低下的流程不同，印度医保提供者在它的周围建立模型。
The parser issues callbacks to the application to build the data model, as discussed before, but the parser is in control.
前面已经提到，解析器回调应用程序以建立数据模型，解析器处于控制地位。
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