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Brother of 'Two recent developments. Strict system high density, high strength of innovation must not rely on the' random 'and' by chance ', but need very strict planning and propulsion systems, whether it is the top-level design or technology system formed, need system innovation. 'synergy' is also an important feature of China's innovation system aerospace Science and technology Corporation the five branches of the Beidou navigation satellite system chief designer Wang Ping said, in general, the newly developed technology used in satellites, if 45% of all is a new technology, the development is a difficult job. and the body of Beidou System, new technologies, new products accounted for nearly eight percent of all products satellites, a Chinese aerospace history, innovation difficult to imagine. such a high density high intensity innovation must not rely on the 'random' and 'by chance', but need very strict planning and propulsion systems. this 'systematic' is reflected in the top-level design. 'Twelfth five-Year' since the start of the five branches the 'spacecraft components self-control project,' the formation of the next five years covering the needs of 20 classes, nearly one thousand components spectrum framework, establish a comprehensive decision-making, development, application evaluation verification system. also set up five branches devoted to the localization of the management of the 'command' write 'the five branches of spacecraft components demand spectrum building framework', from the top clear self-control spacecraft components of the road map, detailed implementation steps and strategies. innovation system also reflected in the formation of technology systems. for example, through exploration and practice pre Beidou navigation satellites, five branches of assembly and environmental Engineering Department formed a technology system of the entire Star batch tests, with a complete batch test technical processes in the country for the first time to achieve a large spacecraft bulk of the thermal test, shorten the test period. this technology system, let Beidou system to achieve the domestic first medium-sized satellite binary in the same container parallel thermal equilibrium, thermal vacuum test. assembly craftsmen who invented based aerospace virtual assembly simulation method is assembled, so that vital equipment installation and operation of the reverse flow of a passing rate of 100 percent, not only saving time and effort, but also the risk of early detection of assembly. EMC simulation system they invented, eliminating the need to do more than a dozen tests to verify a design of inconvenience, not only fast