20 世纪 80 年代中期,数据仓库之父 W.H.In-mon 在《建立数 据仓库》(Building the Data Warehouse)一书中定义了 数据仓库的概念,随后又给 出了更为精确的定义:数据仓库是在企业管理和决 策中面向主题的、集成的、时 变的以及非...
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建立数感也有利于学生深入理解数概念,形成数学运算技能。
With the development of the number sense, students could have a deeper understanding of number concept and their manipulation skills could be further enhanced.
利用数域上一元多项式环与整数环相似的性质,建立数域上一元多项式环中的孙子定理,并给出它的简单应用。
Using the similarity between polynomial ring and integer ring the paper establishes Sunse's Theorem in the polynomial ring in number field, and offers its brief learning and practice.
在你建立起一个很好的身体基础之前,过快的提高英里数很容易使身体受伤。
One of the easiest ways to get injured is to increase your mileage too soon, before you've established a good running base.
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