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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
A typical event of solar microwave type III burst with both positive and negative frequency drifts was observed by the 1-2 GHz spectrograph at Beijing Observatory on January 5, 1994.
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The Energetic Spectrum of Non-Thermal Electrons in an Acceleration Region Calculated From a Solar Microwave Type III Burst with
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A microwave burst consisting of some microwave type III burst groups was registered at Beijing Astronomical Observatory with the 2545-2645-2840 MHz synchronous observing system.
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Microwave Type III Burst Group in the 1993 October 2 Flare
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| | Using the 1.0-2.0 GHz radiospectrograph of Beijing Astronomical Observatory, a microwave type III burst pair characterized by two branches with frequency drift rate of-0.22 GHz/s and +0.23 GHz/s respectively, and separatrix frequency between 1240 MHz and 1340 MHz, superimposed on the microwave burst of January 5, 1994,was found for first time. These are deduced that the height of the electron acceleration region of this event is at 3.7×10 4 km above photosphere and the h... | | 在北京天文台1.0-2.0GHz射电频谱仪记录到的1994年1月5日爆发图上,首次发现一界面频率位于1240MHz与1340MHz之间的微波II型爆发对,其频漂率为-0.22GHz/s和+0.23GHz/s.由此推出电子加速区位于光球之上3.7×104km的高度,电子加速区及II型爆发形成区的高度范围约为1000公里,而电子束的速度相应为0.102c及0.106c. | | 文摘来源 | |   |
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