The two systems are, at bottom, conceptual models.

这两个系统实际上是概念模型。

《柯林斯英汉双解大词典》

In effect, the two systems are identical.

实际上，这两种系统完全一样。

《牛津词典》

The two systems of traditional and Western medicine need not clash.

传统医学与西方医学这两套体系并不冲突。

youdao

The solar-powered irrigation systems produced an average of nearly two metric tons of vegetables per month.

VOA: special.2010.01.11

If you look at the ground state in two different systems -If you look at the ground state which is n equals one, think about this, if I increase the proton charge, the Coulombic force of attraction is greater.

如果你观察两个不同系统的基态,当你观察n，等于1的基态时，试想一下，如果我增加质子电荷，相互吸引的库仑力就会更大。

麻省理工公开课 - 固态化学导论课程节选

A second part, about two thousand fifteen, will involve putting land-based systems in Europe.

VOA: special.2009.09.19

Composed of light-absorbing, colloidal quantum dots linked to carbon-based fullerene nanoparticles, these tiny two-particle systems can convert light to electricity in a precisely controlled way.

FORBES: Quantum Dots and Fullerenes Team Up For Better Nanoscale Solar Panels

Such destabilization, which is more dramatic in wide binaries than in more tightly orbiting two-star systems, does not always take the form of planetary ejection.

MSN: Alien planets face danger from double-star systems

The storm -- actually the convergence of two powerful systems -- began in earnest Friday morning in parts of New York and is expected to continue well into Saturday in Rhode Island, eastern Massachusetts and Maine.

CNN: 1 dead, 600,000 without power from ongoing blizzard