S. dollars) since research and development of the project was approved at the beginning of 2004.
美元），因为项目的研究与开发在2004年初是批准。
This research project targeted to product development, with high practical significance and application value.
本课题以产品研发为目标，具有较高的实际意义和应用价值。
This research project targeted to product development, with high practical significance and application value.
本课题以产品研发为目标，具有较高的实际意义和应用价值。
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