The bomb attack on the capital could signal the start of a pre-election terror campaign.
对首都的炸弹袭击可能标志着选举前的恐怖活动的开始。
《柯林斯英汉双解大词典》
2
In the process of target detection, depth bomb fuze will undergo the interference from echo signal of neighborhood bomb that is the primary factor which causes high false-alarm probability.
The time frequency information of pressure in closed bomb is gained by using wavelet. Application of wavelet in the trend detection and signal denoising is discussed.