Arithmetic and Statistics

带分数, 混合数

When working with measurements, such as lengths or amounts, we often encounter mixed numbers instead of whole numbers.

在处理测量时，例如长度或数量，我们经常会遇到带分数而不是整数。

质数

7 is a prime number because its only divisors are 1 and 7.

7是一个质数，因为它的除数只有1和7。

有理数, 有理分数

3/4 is a rational number because it can be written as a fraction of two integers.

3/4是一个有理数，因为它可以写成两个整数的分数。

无理数, 不能表示为两个整数比的数

The square root of 2 is an irrational number.

2的平方根是一个无理数。

复数, 复

Multiplying a complex number by its conjugate results in a real number.

将一个复数与其共轭复数相乘会得到一个实数。

实数, 实數

The number 5 is a real number because it can be located on the number line.

数字5是一个实数，因为它可以位于数轴上。

整数, 自然数

The numbers 0, 1, 2, 3, and so on are all whole numbers.

数字0、1、2、3等等都是整数。

整数

The numbers -3, 0, and 7 are all integers.

数字-3、0和7都是整数。

分数, 普通分数

One-half (1/2) is a simple fraction.

二分之一 (1/2) 是一个简单的分数。

42 is a decimal number.

假分数

To compare improper fractions, you can convert them to decimal form.

要比较假分数，您可以将它们转换为小数形式。

意思是, 表示

His silence meant that he was not interested in the conversation.

他的沉默意味着他对谈话不感兴趣。

可分的

根, 根须

She carefully planted the new tree, ensuring that its roots were well spread out in the hole to encourage healthy growth.

她小心翼翼地种下了新树，确保其根在洞中很好地展开以促进健康生长。

山脉, 山岭

The Rocky Mountain range stretches from Canada down to New Mexico, offering breathtaking vistas and challenging climbs.

山脉落基山脉从加拿大延伸到新墨西哥，提供了令人叹为观止的景色和具有挑战性的攀登。

正方形, 方形

Each tile on the bathroom floor was a small square shape.

浴室地板上的每一块瓷砖都是一个小正方形形状。

平均

His average score in math class is 85%.

他在数学课上的平均成绩是85%。

溶液, 混合物

Many cleaning products are solutions that mix different liquids for better effectiveness.

许多清洁产品是混合不同液体以提高效果的溶液。

产品, 商品

The bakery's best-selling product is its freshly baked bread.

这家面包店最畅销的产品是其新鲜出炉的面包。

商

In the division problem 12 ÷ 4, the quotient is 3.

在除法问题12 ÷ 4中，商是3。

因式分解, 分解因数

Factoring 12 gives you 2 × 2 × 3.

因式分解12得到2 × 2 × 3。

价值, 价格

He estimated the value of his car before selling it.

他在卖车前估计了他的车的价值。

不平等

方程

In algebra, solving equations involves finding the values of variables that satisfy the equality stated.

在代数中，解方程涉及找到满足所述等式的变量值。

最小的, 最低的

The minimum requirement for admission to the program is a bachelor's degree.

该课程入学的最低要求是学士学位。

指数, 指数函数

In population studies, the growth can often be modeled by an exponential.

在人口研究中，增长通常可以用指数来建模。

线性的, 直线的

During the hike, the trail cut straight through the forest in a clean, linear path toward the peak in the distance.

在徒步旅行期间，小径笔直穿过森林，沿着一条干净的线性路径向远处的山峰延伸。

公比, 常比

In the geometric sequence 2, 6, 18, 54, ..., the common ratio between consecutive terms is r=3.

在几何序列2、6、18、54、...中，连续项之间的公比是r=3。

公倍数, 共同倍数

The smallest common multiple of 4 and 5 is 20.

4和5的最小公倍数是20。

公因数, 公约数

The common factors of 12 and 18 include 1, 2, 3, and 6.

12和18的公因数包括1、2、3和6。

共同点, 公分母

最小公分母, 分母的最小公倍数

Finding the least common denominator is a crucial step in solving problems that involve multiple fractions.

找到最小公分母是解决涉及多个分数问题的关键步骤。

概率

The probability of rolling a six on a fair die is one-sixth.

在公平的骰子上掷出六的概率是六分之一。

估计, 估算

I estimate that there are about 100 people at the party.

我估计派对上有大约100人。

等差数列, 算术序列

In the arithmetic sequence 2, 5, 8, 11, 14, ..., each term increases by 3, which is the common difference.

在等差数列 2、5、8、11、14、...中，每一项增加3，这是公差。

频率

In physics, frequency is measured in hertz, which represents the number of waves passing a point per second.

在物理学中，频率以赫兹为单位测量，表示每秒通过某一点的波的数量。

分销

The company improved its distribution network to ensure products reach stores faster.

中位数的, 中间的

The median household income is a common measure of income distribution.

家庭中位数收入是衡量收入分配的常见指标。

模式, 方法

The system has a manual mode for advanced users.

系统有一个为高级用户设计的手动模式。

双峰的, 有两种模式的

The bimodal distribution of exam scores indicated two groups of students with different performance levels.

考试成绩的双峰分布表明了两组表现水平不同的学生。

标准差, 标准偏差

A low standard deviation indicates that the data points are close to the mean.

低标准差表示数据点接近平均值。

误差范围, 误差幅度

The poll results have a margin of error of ±3%, indicating the possible range of true public opinion.

民意调查结果的误差幅度为±3%，表示真实公众意见的可能范围。

随机的, 任意的

He found a random book on the shelf that turned out to be quite interesting.

他在书架上发现了一本随机的书，结果相当有趣。

趋势线, 趋向线

The trend line on the stock chart indicates a steady increase in prices over the past year.

股票图表上的趋势线表明过去一年价格稳步上涨。

点图, 点状图

The teacher used a dot plot to show the distribution of test scores in the class.

老师用点图来展示班级里考试成绩的分布。

线性模型, 线性回归模型

The linear model y=2x+3 suggests that for every unit increase in x, y increases by 2.

线性模型 y=2x+3 表明，x每增加一个单位，y就增加2。