您要查找的是不是：
- The two fractions represent a range of rational numbers. 这两个分数表示一个有理数区域。
- We recall the notion of rational number, defined as a quotient of two integers. 我们回想有理数的概念，它定义为两个整数之商。R r
- Finally, the formulas of rational number of spare full ladles and maximal heat number of sequential casting are given. 最后，通过分析各工序具体的时间，给出了连铸机开浇前合理备包个数的计算公式以及连铸机最大连浇炉数的计算公式。
- Finally,the formulas of rational number of spare full ladles and maximal heat number of sequential casting are given. 最后,通过分析各工序具体的时间,给出了连铸机开浇前合理备包个数的计算公式以及连铸机最大连浇炉数的计算公式。
- Based on the number set,a new commutative semi-group is established in the integer number and extended in number fields of rational number,real number and the complex number. 在数集的基础上,在整数域上建立了一个新的交换半群,并在有理数域、实数域和复数域上进行了推广;
- Behr, M. J., Wachsmuth, I., Post, T. R., &Lesh, R. (1984). Order and Equivalence Of rational number: A clinical Teaching experiment. Journal for Research in Mathematics Education, 15(5), 323-341. 李晓莉（民87）。国小二年级儿童分数概念之研究。国立台中师范学院国民教育研究所硕士论文。（未出版）
- The density of population in this city is very high. 这个城市的人口密度非常高。
- The area had a population density of five people per square mile. 该地区人口密度为每平方英里五人。
- On Denseness of Rational Number Assemblage 关于有理数集的稠密性
- Do you know the density of population in this area? 你知道这个地区的人口密度吗?
- Japan has a high density of population. 口密度很大。
- IS THE POPULATION DENSITY OF CHINESE CITIES HIGH? 中国城市的人口密度高吗?
- What is the bulk density of the feed material? 进料物的容重比?
- The rational numbers also fit into this scheme. 有理数也适用于这个图形。
- What is the bulk density of the product? 所需产品的容积密度是多少?
- Is the density of such hollow fortresses. 是指这种空心敌楼非常密集。
- Water has a density of 62.4 pounds per cubic foot. 水的密度是每立方英尺62。4磅。
- The allotment of ration coupons. 定额配给券的分配
- Density of products, and low thermal conductivity. 产品密实性好，导热系数低。
- To lessen the density of; rarefy. 稀释减弱集中程度；使变稀薄
