Astronomers think Swift has a dead-on view of the digestive system of a black hole, which is blasting out a jet of energy as it RIPS apart a star trapped in its gravitational fist.
天文学家认为，雨燕观测到的是黑洞吞噬其它恒星的场景，即黑洞在将恒星撕碎并拖进它的重力陷阱的瞬间释放出的能量。
Based on the principle of cumulative charge explosion, a new kind of rock cutting blasting technique, the jet perforator charge blasting in small diameter boreholes, is developed in this paper.
本文介绍了适用于小直径炮孔爆破的岩石聚能切割爆破技术。
The drilling rig is mainly used in soil and rock anchoring, consolidation of road base, dam base and retaining wall, and blasting hole drilling and jet-grouting.
该钻机主要用于土、岩锚杆、路基、坝基、挡土墙加固、爆破孔等钻孔工程以及高压旋喷孔的施工。
U. S. Navy photographer with lightning-fast reflexes captured this image of a fighter plane blasting through a "sonic boom cloud" as the jet broke the sound barrier.
一位美国海军摄影师敏捷地捕捉到了战斗机在突破音障时，产生“音爆云”的图片。
U. S. Navy photographer with lightning-fast reflexes captured this image of a fighter plane blasting through a "sonic boom cloud" as the jet broke the sound barrier.
一位美国海军摄影师敏捷地捕捉到了战斗机在突破音障时，产生“音爆云”的图片。
应用推荐