So, remember, in the linear system, you can think of a linear system as asking you to find the intersection between three planes because each equation is the equation of a plane.

记住，线性方程组问题，可以理解为求三个平面的交，因为每个方程就是一个平面。

youdao

We are finding a parametric equation for the sphere using two variables phi and theta which happen to be part of the spherical coordinate system.

我们建立有两个变量φ和θ的球面的参数方程,它们恰好是,球坐标系统的一部分。

youdao

This paper presents a computer simulation model of the cardiovascular circulation system, which describes the blood flow dynamic law in the cardiovascular system by the state equation.

建立一种心血管循环系统的计算机仿真模型，即描述心血管循环系统内血流动力学变量变化规律的状态方程。

youdao

Worse, we are locked (due to the winner-take-all nature of our elections) into a two-party system, so that removes a lot of nuance from the equation and leads to inefficiencies.

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So if we take that out of the equation by creating a single-payer system, then we will be able to cover anyone.

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You begin to accept that, for better or worse, the old rules and rewards system is falling apart and the simple equation of exchanging your time and skills for a fixed salary and defined benefits over a 30-year period no longer adds up.

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