This paper discussed one type scan-aborted malfunction which is caused by carbon-brushes' contact-capability abated in the Helical CT, and summarized carbon-brushes general maintenance method.

探讨螺旋CT的滑环接触性能变差后常见的扫描中断故障，并结合实践总结出了滑环维护保养的一般方法。

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By default, the optimizer considers this type of scan.

默认情况下，优化器考虑这种类型的扫描。

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In the previous section you learned about one type of access method, index scan (IXSCAN), and one type of join method, nested loop join (NLJOIN).

在之前的部分您已经了解了一种类型的访问方法，即索引扫描(IXSCAN)，和一种类型的联接方法，即嵌套循环联接(NLJOIN)。

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But a year ago Medicare cut the price it pays for imaging, so Gruen gets paid 15% to 50% less for each order, depending on the type of scan.

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At most stores you will be able to use Google Wallet to show your offer at the register, where the cashier will either scan it or manually type it in.

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After the stress test, your cardiologist may or may not opt to have you undergo another type of CT test called a Calcium-score Screening Heart Scan.

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