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A radical organic agriculture and biogas programme in China's Yunnan province is now being replicated on the Tibetan plateau. But what challenges does it face?
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一项曾用于中国西南部云南省的有机农业和沼气革新项目正在西藏高原上被复制。但是它面临什么样的挑战呢？ |
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A radical republican during the French Revolution.
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雅各宾党人法国大革命中激进的民主分子 |
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A radio announcer's voice is his.
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电台播音员的声音就是他的饭票。 |
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A radio antenna converts electric currents and voltages created by a transmitter into electromagnetic waves that radiate into space.
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无线电天线会把发射器产生的电流与电压转变成电磁波，然后以辐射方式在空中传播。 |
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A radio galaxy is related to, but appears larger than, a quasar.
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一个射电星系与之有关，但是它比类星体要大。 |
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A radio is an accessory to a car.
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收音机是汽车的附件。 |
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A radio or television network.
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无线电网或电视网 |
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A radio receiver and directional antenna used as a system to determine the angular direction of incoming radio signals.
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无线方向探测器一种无线电接收和指向天线系统，用来确定收到的无线电信号的角方向 |
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A radio signal tells the pilot of an airplane when his plane is off the beam.
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飞机脱离航道时，会有一个无线电信号告诉驾驶员。 |
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A radio signal travels very quickly.
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无线电信号传播得很快。 |
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A radio telescope's beam depends on the diameter of its dish; the bigger the dish, the narrower the beam.
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射电望远镜的光束依赖于抛物面直径的大小：抛物面越大，光束越窄。 |
