The complicated flow structures of an unsteady supersonic jet behind the bow shock are analyzed and a new formation mechanism of the unsteady effect of the shock shock interference flow is proposed.

分析弓形激波后超音速“喷流”的流动结构及其非定常效应的形成机制，提出一种新的激波碰撞干扰流动的非定常形成机理。

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The effect of bow wave to electro-magnetizing and the methods to impr ov e the reliability of electro-magnetizing equipment are discussed.

文中讨论了涡流效应对充磁的影响，改善充磁机可靠性的方法。

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Methods with fragments of the back teeth bow orthodontic traction treatment between technical joint jaws in 31 cases of patients with mandibular Angle fracture and watch curative effect.

方法在后牙用片段弓正畸技术联合颌间牵引治疗31例下颌角骨折的患者并观察疗效。

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It said its most distinctive effect is apparent in his curvy Cupid's bow mouth, and the condition would also have affected his mental development.

BBC: Peter the Wild Boy grave gets Grade II listing