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1·But to take a balloon flight in a wheelchair is extremely difficult.

但是，要坐轮椅乘热气球飞行，却是相当困难的一件事。

2·Larry fulfilled his dream, and set a record for a gas-filled balloon flight.

拉里实现了梦想，而且创造了一项以充气气球飞行的记录。

3·His article for National Geographic details the challenges he undertook to achieve the longest manned balloon flight.

他为国家地理杂志撰写的文章。详细披露此次历史上飞行时间最长的载人气球遇到的种种艰难险阻。

4·In 2005, ENG group sponsored one hot balloon flight activity named Fly to the Top of World – Hot Balloon Journey to North Pole;

2005年，ENG集团赞助了一个名为“飞向世界之颠—— 热气球北极之旅”的热气球航行活动；

5·Objective:To investigate the effect of high altitude balloon flight test on the antioxidation of water extracts from Celosia cristata L.

目的：探讨高空气球飞行实验对鸡冠花抗氧化功能的影响。

6·Off the bikes you'll take a flight out to Everest, go on an elephant safari and hot air balloon over the Kathmandu Valley.

下了摩托车你可以乘飞机去喜马拉雅山观光，可以骑大象去巡游，或者乘上热气球在加德满都山谷飞行。 价格从5 994英镑起。

7·The results in present paper may be used to predict the performance of a meteorological balloon during flight and they are also helpful in the production of inflatable gels as a theoretical reference.

本文得出的分析结果可以预测气象气球的飞行特征，为充气凝胶体的生产提供理论参考依据。

8·NB: The hot air balloon company waivered the cost of Ian's ticket for the flight but not Denise's!

注：热气球公司取消了伊恩的的机票费用，但不包括丹尼斯的！

9·Hot balloon: It is invented by Frenchmen 200 years ago. It is a flight of earlier human being. It is still used to travel in the sky.

热气球：是法国人在200多年前发明的，是人类早期的飞行器，今天仍然有人在利用它在天空遨游。

10·The aerodynamic characteristics of a tethered balloon with inverted Y fins were estimated by the traditional aerodynamic estimation from the flight dynamics analysis viewpoint.

从飞行力学分析的角度 ，用传统的气动力估算方式对具有倒“Y”型尾翼的系缆气球的气动力特性进行估算 。