头盔是以一顶来自玩具店的塑料德军头盔为基础制作的，附上苯乙烯面板和模型配套元件。
The helmet was based on a plastic German army helmet from the toy store, with styrene panels and model kit parts attached.
调节为基础，利用快速可控硅做开关元件，研制的一台新型等离子弧切割电源——输出直流100a逆变切割电源。
M. adjusted, by the use of high speed SCR gate, a new convening power source with output of 100a for plasma are cutting is developed.
本文以大量的可靠性试验统计数据为基础，分析了和论述了我国阻容电子元件的筛选技术、可靠性评价及失效机理。
On the large number of reliability test statistic data, the selection technology, reliability evaluation and failure mechanism of RC electronic components are analysed and discussed.
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