Reportedly, levels of radiation have temporarily exceeded 1,000 micro sievert, which is twice the legal upper limit; but in many cases they have been little worse than an X-ray.
据报道，辐射量一度超过一千微西弗(micro sievert)，这是额定上限的两倍；但在一般情况下，这并未超过一次X光检测的剂量。
Due to space limit, the motion equations are often coupled when the micro positioning stage has multiple links and freedoms. Thus, synthesis and decouple are necessary.
当微定位台的结构是多环、多自由度时，由于空间的限制，通常其运动方程是耦合的，需对它进行综合分析和解耦。
This paper presents the theory limit on antennas' gain and bandwidth, as well as how to improve the bandwidth and miniaturize them, especially micro-strip antenna is elaborated.
本文讨论了天线带宽和增益的理论极限，以及如何提高天线带宽、实现小型化的各种方法，特别对微带贴片天线进行了介绍。
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