飞行在...上空

Three more drones flew over the mesas, moving back and forth… searching.

三架无人机在岩石上空飞行，前后移动···搜索着。

Corporal Mark Proctor was among three squaddies who spotted the objects while out on night patrol.He filmed them on his mobile phone and reported the close encounter to Army top brass.

媒体报导，受到惊吓的英军士兵普罗克特下士昨晚透露他看见十三个不明飞行物体在军营上空盘旋的情形。

"We conducted research with the chip while we were flying in parabolas over the Gulf of Mexico, going from two times Earth's gravity to zero gravity again and again," he said.

他说，使用该芯片，即使在墨西哥湾上空进行抛物线式飞行时，即一次次从两倍重力到失重状态的过程中，我们也可以进行我们的研究工作。

High-altitude unmanned rec onnaissance aircraft In the 1982 war in the Bekaa Valley, Israeli forces disc overed through aerial reconnaissance.

如果用有人侦察机，就必须在大漠上空往返飞行，长时间暴露于伊拉克军队的高射火力之下，极其危险。

Since the 1990s, the United States has used force overseas on more than 40 occasions. On April 1, 2001, a US military reconnaissance plane flew above waters off China's coast in violation of flight rules, causing the crash of a Chinese aircraft and the death of its pilot. It presumptuously entered China's territorial airspace without permission from the Chinese side and landed on a Chinese military airfield, seriously encroaching upon China's sovereignty and human rights.

仅20世纪90年代以来，美国对外使用武力就达40多次。2001年4月1日，美国军用侦察机在中国近海上空违规飞行，造成中国飞机机毁人亡，且未经中方允许，擅自进入中国领空，降落中方军用机场上，严重侵犯中国主权和人权。

With the helicopter inverted hovering over the landing area, start pirouetting clockwise while the helicopter is pirouetting fly the helicopter in a Figure of Eight to the right.

在降落区的上空将直升机保持倒飞停悬，机体以顺时针的方向保持自旋，并且朝右侧开始执行外侧水平8字飞行。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。