Mathematics is the science of Numbers.

数学是数字的科学。

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Arithmetic, the science of Numbers, is the base of mathematics.

算数是一门有关数字的学科学，他是数学的基础。

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Take as an example the science of numbers. Suppose all numbers were of metal—that it was against the law to write figures for ourselves.

拿关于数字的学问举个例子，我们假定所有的数字都是金属材质的，这个假设显然是违背我们手写数字的自然定律的。

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However,some scientists question the numbers behind the science of white roofing.

VOA: special.2009.06.19

As a work of popular science it is exemplary: the focus may be the numbers, but most of the mathematical legwork is confined to the appendices and the accompanying commentary is amusing and witty, as well as informed.

ECONOMIST: What to do?

The DfE said the numbers of teachers holding degree-level qualifications in the key subjects of English, maths and science has risen compared to 2011.

BBC: Hundreds of school leaders paid in excess of ?100k

While determining a withdrawal rate is not an exact science, we thought it would be helpful to put some numbers to the scenario of a balanced portfolio to try to discern what a reasonable figure would be for investors to use as a starting point.

FORBES: What Portfolio Withdrawal Rate Can You Live With?