If you want to get the unknown number, you should know the known number first.

如果要想求出未知数，你首先得知道已知数。

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That twenty-one ceramic dog figurines were discovered during the excavating of a 1,000-year-old Hohokam village in Tempe, Arizona, has nearly doubled the number of these artifacts known to exist.

在对亚利桑那州坦佩的霍霍坎村进行挖掘时，发现了21件陶制狗像，这使得已知的狗像数量增加了近一倍。

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While on paper this was a plan to examine a number of known wrecks in the Solent, what McKee really hoped for was to find the Mary Rose.

虽然从理论上讲，这是一项研究索伦特海峡中已知沉船的计划，但麦基真正希望的是找到玛丽·罗斯号战船。

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Diakite,who is also known as Toumba, escaped the attack and is still at large with an unknown number of soldiers from the presidential guard.

VOA: standard.2009.12.07

Agricultural villages will have existed all over the place in the late Stone Age, in the Neolithic Period, as it is known. But there is a difference and the critical difference is that a city contains a number of people who do not provide for their own support.

农业村庄在石器时代后期,以及新石器时代随处可见,但二者是有区别的,最重要的区别在于,城市能容纳,相当数量,无需自给自足的人口

耶鲁公开课 - 古希腊历史简介课程节选

Missus Obama joked that if she had known, she would have picked a higher number.

VOA: special.2010.05.28

The highest known magic number for neutrons alone is 126.

ECONOMIST: Nuclear physics: Magical shell game | The

Pol Pot, once known as Brother Number One, died in a jungle hideout in 1998.

CNN: ASIANOW - TIME Asia | CAMBODIA: Will Justice Ever be Served?

The malware is known by a number of names and is contained in the setup.exe and autorun.ini files.

FORBES: IBM Distributes Malware-Infected USB Sticks At Security Conference