目前，动脉内治疗正处于探索阶段，还没有任何关于血管再通装置预后的大规模随机对照试验（random control trials，RCT）结果发布。
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random control trials
随机对照试验
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Children who had been randomly assigned to the control condition were told that they had been successful on a random two of the four trials.
被随机分配到对照组的小孩会在四次游戏中随机的猜对两次。
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