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单项选择题

人们在社会实践活动常常遇到两类截然不同的现象，一类是确定性现象；另一类是随机现象。随机现象并不是杂乱无章的现象，当同类现象大量出现时，从总体上却呈现出一种规律性。于是，一种专门适用于分析随机现象的数学工具――（）诞生了。

A、分形数学与模糊数学
B、概率理论与数理统计
C、群论与数论
D、希尔伯特空间与集合论

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热门试题

单项选择题Which statement about ISO TC249 is not correct?

A．Standardization in the field of medical systems derived from ancient Chinese medicine which shall be able to share one common set of standards.
B．International organization for standardization/traditional Chinese medicine technical committee.
C．The committee focuses on quality and safety of raw materials, manufactured products and medical devices and of informatics.
D．Only traditional aspects are covered.

单项选择题已知某点的横坐标通用值为y = 23483526.318m，则该点所处投影带的中央子午线的经度为（）度。（）A.138； B.69 ； C.135； D.66。