求翻译：电动自行车研究的首要难题是开发出一种高效、清洁环保的动力电源。超级电容器作为近几十年来发展起来的新型高效蓄能装置，因其具有高功率、长循环寿命、能够快速充放电以及绿色环保等优异特性，因而得到越来越广泛应用。 超级电容器的进一步发展，将取代当前电动自行车需频繁充电和更换蓄电池的状况。是什么意思？

The primary problem of the electric bicycle research is to develop an efficient, clean and environmentally friendly power supply. New and efficient energy storage device, developed by the super capacitor as in recent decades because of its high power, long cycle life, excellent features to quickly c

The first electric bicycle research problems is to develop an efficient, clean green power supply. As a super-capacitor in recent 10 years in the development of new high-efficiency storage unit, which has a high power, long cycle life, to be able to quickly charge and discharge, as well as green, an

The electrically operated bicycle studies the most important difficult problem is develops one kind highly effective, the clean environmental protection power power source.The super capacitor took in the recent several dozens years develop new gather highly effective can install, because it has the

Study on electric bicycles the primary challenge is to develop an efficient, clean and green power supply. Super capacitor as in recent decades developed new high-efficiency energy storage devices, because of its high power, long cycle life, outstanding characteristics such as rapid charging and dis

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