The formula for calculating the area of a circle is A = πr².
计算圆面积的公式是 A = πr²。
Einstein's famous equation, E=mc², illustrates the relationship between energy and mass.
爱因斯坦的著名方程式 E=mc² 揭示了能量与质量之间的关系。
The quadratic formula, x = (-b ± √(b²-4ac)) / 2a, is used to solve quadratic equations.
二次方程的求根公式 x = (-b ± √(b²-4ac)) / 2a 用于解二次方程。
The formula for the volume of a sphere is V = (4/3)πr³.
球体体积的公式为 V = (4/3)πr³。
In chemistry, the formula H2O represents the composition of water.
在化学中，公式H2O表示水的组成。
Newton's second law of motion can be expressed by the formula F = ma.
牛顿第二运动定律可以用公式 F = ma 来表达。
The formula for determining simple interest is I = PRT/100, where I is interest, P is principal, R is rate, and T is time.
确定简单利息的公式是 I = PRT/100，其中I是利息，P是本金，R是利率，T是时间。
Boyle's Law in physics states that the pressure and volume of a gas at constant temperature are inversely proportional, described by the formula PV = k.
物理学中的波义耳定律指出，在恒定温度下气体的压力和体积成反比，描述该关系的公式为 PV = k。
The formula for calculating the circumference of a circle is C = 2πr.
计算圆周长的公式是 C = 2πr。
Avogadro's hypothesis is often represented by the formula N = nNA, where N is the number of molecules, n is the amount of substance in moles, and NA is Avogadro's constant.
阿伏伽德罗的假说常以公式 N = nNA 表示，其中N是分子数，n是以摩尔为单位的物质的量，而NA是阿伏伽德罗常数。
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