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- Balloons provided military aerial observation sites in the 19th century and were used in the 20th century by scientists such as Auguste Piccard to gather high-altitude data. 19世纪时曾利用气球做军事空中观测站,20世纪时,科学家奥古斯特?皮卡德用气球收集高空资料。
- With a wingspan of 8.5 feet and weight of 12.5 pounds, Puma is a lightweight, hand-launched UAV that provides aerial observation at line-of-sight ranges up to 10 kilometers. “美洲狮”翼展宽8.;5英尺、重12
- The birds perched on the television aerial. 鸟停在电视天线上。
- The picture is much clearer with the new aerial. 装上新天线后画面清晰多了。
- He showed me some aerial photographs. 他给我看了一些空中拍摄的照片。
- He was taken into hospital for observation. 他被送进医院观察。
- Careful observation convinced them that is was so. 仔细的观察使他们相信情况是这样的。
- It's basically wrong to have observation taken off from hearsay. 以道听途说作为意见的根据是根本错误的。
- Aerial navigation by visual identification of landmarks. 地标领航用可视地标来进行飞机航行
- He is a man of little observation. 他是个观察力极差的人。
- They decided to put him under observation. 他们决定监视他。
- Some joker's been playing around with my car aerial! 哪个爱胡闹的人摆弄我汽车上的天线了！
- He was under observation by the police. 他受到警方严密监视。
- Photographic aerial reconnaissance especially of military targets. 空中照相侦察空中照相侦察，尤指军事目的的
- The gale blew down a TV aerial from the roof. 大风刮倒了屋顶上的电视天线。
- Aerial root A root that arises above soil level. 气生根：生长在地面以上空气中的根。
- Something is wrong with our TV broadcast aerial. 我们的电视广播天线有问题。
- He will publish his observation on the social life of these primitive tribe. 他将公布他对那些原始部落的社会生活观察所得的资料。
- The fault escaped observation (ie was not spotted) for months. 这故障数月来未引起注意。
- The scion supplies only aerial parts to the GRAFT. 接穗仅作为嫁接植物的“天线”部分。
