The shedding cycle of jet hole vortex in leading edge is shorter than that of downstream.

前缘射流孔旋涡的脱落周期比下游射流孔旋涡脱落周期短。

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Theoretical calculations are made of the effect of the jet hole on gas motion inside the TJ-jet combustion chamber of 492qs gasoline engine during compression and combustion processes.

通过理论计算研究了492 QS汽油机射流孔对射流燃烧室内气体运动的影响。

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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。

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Using an array of 10 powerful radio telescopes, aimed at the galaxy BL Lacertae, the researchers studied a black hole just as it was sending forth a blazar jet.

BBC: Black holes reveal more secrets