Their numerical system, derived from the Babylonians, was based on multiples of the number six.

他们的数制是袭用巴比伦人的，以数字6的倍数为基准。

《柯林斯英汉双解大词典》

Ignoring a clunky numerical system and devising his own, he demonstrated the nature of infinity and calculated a value for pi.

他抛弃了繁琐的数字系统并自创了一套，同时揭示了“无穷大”的性质并计算出了圆周率的数值[2]。

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The equipment composing concludes processing program, numerical system, servo system, assistant control device, feedback system and machine tool.

其基本组成包括加工程序、数控系统、伺服系统、辅助控制设备、反馈系统及机床本体等。

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If you double the system, they double in there numerical number.

如果你把系统扩大一倍，它们的值也会扩大一倍。

麻省理工公开课 - 热力学与动力学课程节选

Long queues occur in the Ivory Coast for football matches because fans frequently do not adhere to the numerical seating system on tickets, according to Goal.com.

CNN: FIFA inquiry after Ivory Coast tragedy