1. Logarithms are used in mathematics to simplify complex calculations.
对数在数学中用来简化复杂的计算。

2. The logarithm of a number tells us the power to which a base must be raised to equal that number.
一个数字的对数告诉我们基数必须提高到多少次幂才能等于该数字。

3. Logarithms are commonly used in physics to analyze exponential growth and decay.
对数常用于物理学中分析指数增长和衰减。

4. Calculating logarithms by hand can be time-consuming, so many people use calculators instead.
手工计算对数可能会耗费很多时间，所以很多人选择使用计算器。

5. The properties of logarithms make them a powerful tool in solving equations and analyzing data.
对数的性质使其成为解方程和分析数据的强大工具。

6. Understanding logarithms is essential for students studying advanced mathematics and science subjects.
理解对数对于学习高等数学和科学学科的学生是至关重要的。