The process of jet mixing in the reactor was studied with tracer technique and the effects of the opening structure on the wall of the feed ring and the momentum ratio to the jet mixing were analyzed.

文中采用示踪法研究了四氯化钛氧化反应器内径向射流混合特征，探讨了射流环开孔结构和动量比等因素对射流混合效果的影响。

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When one of these traveling theater projects reaches a town, the participants ring their bells fiercely in the center of town until locals come out and feed them.

当其中一个流动剧团到达某个小镇，参加者就会在镇中心使劲地摇响铃铛，直到当地人出来给他们食物。

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The feed regulation in ring rolling is researched on the basis of production of driven bevel gear blank in back bridge of EQ140 automobile in this paper.

本文结合EQ140汽车后桥从动伞齿轮辗扩实践，对环形件辗扩工艺的进给规范进行了研究。

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The NYPD also maintains a "Ring of Steel, " a network of 4, 000 sophisticated security cameras that feed information into a central monitoring system to detect questionable or unlawful activity.

WSJ: Judith Miller: How to Stop Terrorists Before They Kill