The results showed that the new type of corrugated cardboard box was better than the gray paper board box in cushion performance and wear resistance.
结果标明，新型瓦楞纸板囊匣的缓冲防震性能和抗磨损性能明显优于传统灰纸板囊匣。
Based on the st HDTV evaluation board and the ST20 embedded toolset, this paper studies the software technologies and software development of digital Set-Top - Box.
本文以ST公司的HDTV开发平台和ST20软件集成开发环境为基础，进行了数字机顶盒软件技术的研究和开发。
This paper investigates the EBW technique for sealing the box of high-power phase shifter with the cover board.
研究了高功率移相器盒体与盖板的电子束封焊工艺技术。
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