The scientists had tracked the children — 223 in each group — from ages 6 to 16, taking multiple scans on each child.
科学家们从这些孩子（一组223个）6岁到16岁一直都在进行跟踪式研究，对每一个孩子进行多种观测。
Therefore, you often need multiple scans to be able to identify all the hosts on the network that you know are valid.
因此，您通常需要进行多次扫描，以识别网络中所有有效的主机。
Multiple index scans in the optimizer are another big win for OLTP.
优化器中的多索引扫描是OLTP的另一大赢点。
For multiple index push-downs, multi-index scan is used to combine RIDs from different index scans, then skip-scan on the fact table is performed.
对于多索引下推，多索引扫描用于组合来自不同索引扫描的RID，然后就可以执行对事实表的跳跃式扫描了。
They take advantage of one or multiple XML indexes to entirely avoid table scans.
它们利用一个或多个XML索引完全避免表扫描。
High doses of radiation can trigger leukemia, so make sure scans are not repeated if you see multiple doctors, and ask if another test, such as an ultrasound or MRI, could substitute.
大剂量的辐射能引发白血病。因此，在多科就诊时，一定要保证不要重复扫描，并且要询问可否用另一种测试来替代，如超声波或核磁共振等。
Conclusion: Application of multiple sequence MRI scans for lacunar infarction can accurately judge the new and old lesions and new lesions in staging and guide clinical treatment.
结论：腔隙性脑梗死应用多序列mri扫描能准确判断新、老病灶，对新病灶的分期较准确，可指导临床治疗。
Absolutely, say researchers behind two recent studies that sound the alarm about the increased cancer risk associated with multiple CT scans.
多数的研究者在近期的两项研究中，是关于多层螺旋CT扫描与增加癌症危险性方面的。
Absolutely, say researchers behind two recent studies that sound the alarm about the increased cancer risk associated with multiple CT scans.
多数的研究者在近期的两项研究中，是关于多层螺旋CT扫描与增加癌症危险性方面的。
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