directional是什么意思,directional怎么读 语音:
英音  [dəˈrekʃənl] 
美音  [dɪˈrɛkʃənəl, daɪ-] 
directional 基本解释
adj. 方向的;定向
directional是什么意思
中文词源
directional 用法和例句提示:点击例句中的单词,就可以看到词义解释
提示:点击例句中的单词,就可以看到词义解释
This led to breakthroughs in 3d seismology and directional drilling .
这就导致了在3d地震学和定向钻井上的突破。
The patrol quickly reversed direction-and ran smack into a directional explosive device .
巡逻队迅速折回---恰巧一股烟飞奔到安放定向爆炸装置的区域。
A technique called " directional drilling " has transformed the energy business .
一项名为“定向钻井”的技术改变了能源业。
Yet accusations were widespread that the trades were more likely directional bets that went wrong .
一种广泛认可的指控指出,这场贸易更像是误入歧途,变成了一场定向交易。
Directional antennae , unlike the omnidirectional sort , transmit on a narrow beam .
这种定向天线并不像那些全方位传输的类型,它只有一个很细微的电子波束。