They used mathematical modeling and computer simulations to find the planet.

他们使用数学建模和计算机模拟来寻找这颗行星。

Researchers used experimental testing and mathematical modeling to uncover how fairy circles form in salt marshes.

研究人员使用实验测试和数学模型来揭示仙女圈是如何在盐沼中形成的。

Those ligaments would have acted like rubber bands—and the researchers used mathematical modeling to study how they would have given the tail bounce as the T. rex walked.

这些韧带的作用就像橡皮筋一样——研究人员使用数学模型来研究霸王龙行走时它们如何使尾巴弹跳。