针对电子海图系统中关于雷达视频与海图图形实时叠加，提出了叠加的新方法。
Being aimed at radar video overlapping with chart graph of ECDIS, a new method and general interface circuit is presented.
提出一种基于模板阴影体算法的矢量数据绘制方法，实现矢量数据在三维场景中的高质量实时叠加显示。
The key technique of vector data render based on stencil shadow volume is discussed and is proved by experiments.
采用程控双时值放大器非叠加实时检测法，检测116例健康大学生的体表窦房结电图。
The body surface sinus node electrogram (SNEb) was recorded in 116 young healthy students by using programme double time constant amplifier.
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