Marka博士的研究由盖茨基金会资助，他说他的样机成本略高于100美元。
Dr Marka, whose research is funded by the Gates Foundation, says that a prototype of his machine costs a little over $100.
在满足设计要求和实际工况的条件下，通过混沌遗传算法和虚拟样机技术对该机构进行了优化设计，降低了成本，提高了生活垃圾装箱效率。
On the condition of design requirement and actual working condition, optimize the design of this mechanism by CGA and Virtual Prototype Technology, cut down the cost and improve loading efficiency.
相对于实物样机，虚拟原型也具有低成本和易扩展的特点。
Compared with physical prototypes, the virtual prototype is also of lower cost and can be expanded more easily.
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