In the example in Figure 2, this should reduce the scan-to-free rate by more than a half, which will reduce overhead.

对于图2中的示例，这应该会把扫描可释放页面的速度提高一倍多，这会降低开销。

youdao

I had an ultrasound scan to see how the pregnancy was progressing.

我做了超声波扫描，检查妊娠情况。

《柯林斯英汉双解大词典》

They were given memory and cognitive skill tests and a brain scan to gauge the extent of their disease.

他们被进行了记忆力，认知能力测试和大脑扫描，来确定他们疾病的严重程度。

youdao

The seven-member crew controlled a robotic arm equipped with cameras and lasers to scan the surface of the heat shield.

VOA: standard.2009.07.16

But some doctors say the CT scan exposes patients unnecessarily to harmful radiation, as much radiation as a patient might receive from 400 chest x-rays.

VOA: standard.2010.04.07

This month, though, the skepticism seems to have morphed into fury and resistance, after the TSA instituted a new pat-down policy requiring those who refuse the full-body scan to undergo a fairly-aggressive frisking.

FORBES: Gizmodo Joins The Internet War on TSA With 100 'Leaked' Body Scans

Computer geeks call it war-driving or Net stumbling: roving around with a Wi-Fi-enabled laptop to scan for nearby Wi-Fi access points, then trying to see if they can use them for free.

FORBES: The Days Of Wi-Fi Scanning Are Numbered

It was not easy but he was able to use cutting-edge technologies to scan huge amounts of data as well as parse natural language queries.

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