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directional是什么意思

directional

英[dəˈrekʃənl] 美[dɪˈrɛkʃənəl,daɪ-]

adj.方向的；定向

signal

英语单词

双语例句

1 . Jets of compressed air gave the aircraft lateral and directional stability.: 压缩空气的喷吐使飞机的左右和前后都能保持稳定。

2 . Dish aerials are highly directional .: 碟形卫星天线的定向性非常强。

3 . The length of the fuselage was increased due to a degree of directional instability.: 由于存在某种程度的航向不稳定性，机身被加长了。

4 . The directional microphone trained on Foresters Cottage could pick up every word uttered inside at several hundred yards.: 对准福雷斯特小屋的定向扩音器在几百码远的地方也能捕捉到里面的人所说的任何一句话。