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。