氢燃料无人机完成试飞_科学技术

氢燃料无人机完成试飞

文章来源：未知文章作者：enread 发布时间：2019-03-22 00:22 字体： [大中小]　进入论坛

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An unmanned aircraft powered by hydrogen fuel finished 10 test flights recently.

一架以氢燃料驱动的无人机最近完成10次试飞。

The technical verification aircraft, LQ-H, has a 6-meter wingspan and adopts the hydrogen fuel cell as its main power system, with a supplementary¹ lithium battery system according to the company, also the developer of the C919 aircraft.

The latest test flights started earlier this year, and as of March 10 it finished 10 test flights with different tails and types of landing gear. Thus far, the aircraft has flown over 24 hours.

Yang Zhigang, chief designer of the aircraft, said hydrogen is very abundant and can be obtained through solar, wind and other sustainable energy sources.

"In the future, a low-carbon sustainable transportation system could be structured using hydrogen as power source. It is a major development in the global aviation manufacturing industry," Yang said.

The demonstration² aircraft also adopted lots of new technologies, such as 3D printing and compound materials, to lower weight in manufacturing.

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收听单词发音

1 supplementary
adj.补充的，附加的
参考例句：
There is a supplementary water supply in case the rain supply fails.万一主水源断了，我们另外有供水的地方。 A supplementary volume has been published containing the index.附有索引的增补卷已经出版。

2 demonstration
n.表明，示范，论证，示威
参考例句：
His new book is a demonstration of his patriotism.他写的新书是他的爱国精神的证明。 He gave a demonstration of the new technique then and there.他当场表演了这种新的操作方法。