directional是什么意思？

directional

英[dəˈrekʃənl] 美[dɪˈrɛkʃənəl, daɪ-]

adj. 方向的，定向；

例句

Migrating birds have marvelouos directional sense. 候鸟有非凡的方向辨别力。
In radiocommunications, the radiation in a lobe of a directional antenna. 在无线通信技术中, 定向天线以某一波瓣辐射的电磁能.
Xingkai textile is a multi - directional company focusing on manufacturing, retailing and wholesaling of greige cloth. 兴凯纺织是一家集生产加工、经销批发的多方向发展公司,主营产品为坯布.
Xingkai textile is a multi - directional company focusing on manufacturing and wholesaling of greige cloth. 兴凯纺织是一家集生产加工、经销批发的多方向发展公司、主营产品为坯布.
Bi directional and mono directional Glenn operations in 10 cases were reported. 报道10例单向与双向Glenn手术.
Drag onto the page to add a thyristor, bi - directional triode - type, triac - gated switch. 拖到绘图页后,可以添加可控硅、三端双向可控硅开关、三端双向可控硅门开关.
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。
Dish aerials are highly directional. 碟形卫星天线的定向性非常强。
Counters can, of course, be made highly directional by the use of external collimation. 当然可以利用外部准直法来提高计数器的方向性.
With the CIP market continues, Agfa's specific business card printing enterprises introduces Super Omni - directional CTP. 随著CIP阛阓不停拓展, 爱克发公司针差制卡企业推出了超能全方位 CTP方案.

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同义词

directional的同义词之：
signal

柯林斯高阶英汉双解学习词典释义

ADJ-GRADED

(天线、扩音器等)定向的

If something such as a radio aerial, microphone, or loudspeaker is directional, it works most effectively in one direction, rather than equally in all directions at once.
例句
Dish aerials are highly directional... 碟形卫星天线的定向性非常强。 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。
ADJ

方向的;指向的

Directional means relating to the direction in which something is pointing or going.
例句
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。

英英词典释义

Adjective
1. relating to or indicating directions in space;
"a directional microphone"
2. relating to direction toward a (nonspatial) goal;
"he tried to explain the directional trends of modern science"
3. showing the way by conducting or leading; imposing direction on;
"felt his mother's directing arm around him""the directional role of science on industrial progress"

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