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1. In mathematics, a systemof linear equations is called an "equation" if it can be solved for onevariable.
在数学中,如果一个系统可以解出其中一个变量,那么它被称为“方程”。
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2. Theengineers used a computer programto solve the complex equations that governed the motion of the spacecraft.
工程师们使用计算机程序来解决控制航天器运动的复杂方程。
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3. The team was able to solvethe joint equation of motion using Newton's laws of motion.
团队能够利用牛顿的运动定律解决共同的动力学方程。