...越设计外，R&S为补强讯号涵盖范围所新推出的经济型R&S SLx8000低功率发射机、R&S XLx8000转频机与同频广播增力机（Gap Fillers），也将于本次展览中一并呈现。
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The US space agency had identified two "gap fillers" that were sticking out between heatshield tiles near Discovery's nose section, each by less than 3cm (1.2in).
BBC: NEWS | Science/Nature | Astronaut fixes shuttle problem
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