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。
Network consumption has broken through the traditional economic theory limit in relatively great degree, therefore, it is necessary to call for the theory of network consumption in the meanwhile.
网络消费的这些特点已经在相当程度上突破了传统经济理论的界域，同时也呼唤着网络消费理论的出现。
A thick slick of oil on the sea could, in theory, limit a hurricane by acting as a sort of shield-preventing the water from evaporating into the storm.
理论上，海面上的厚浮油层对飓风起到了阻碍作用——防止海水蒸发融入风暴。
A thick slick of oil on the sea could, in theory, limit a hurricane by acting as a sort of shield-preventing the water from evaporating into the storm.
理论上，海面上的厚浮油层对飓风起到了阻碍作用——防止海水蒸发融入风暴。
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