在对研究对象界定的基础上，首先，就军品现行成本价格模式的弊端进行剖析，指明了军品无形价值被埋没的事实；
On the base of ensuring research target, first, the paper dissects the abuses of military products current cost price model, designates the fact that invisible value of military products be buried;
通过一款实际的嵌入式对象测试实验描述测试卡多功能的指令模式和SPI简洁的通讯方式，对同类嵌入式系统开发具有较好的参考应用价值。
And finally reveal the test card multifunction command instruction and simple, high efficiency SPI ptotocol which can be for the good reference of the same testing card design.
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