求翻译：众多研究者针对块碎石路基的降温机理、降温效果及参数影响，通过野外监测、室内模型试验、数值模拟等手段进行了研究，积累了大量的经验。是什么意思？

Many researchers for the cooling mechanism of the crushed rock embankment, the cooling effect and parameter influence, by means of field monitoring, model experiment and numerical simulation study, and accumulated a wealth of experience.

Numerous researchers for block gravel roadbed on the cool, cool effects and effects parameters, through field monitoring, in-room model testing, numerical simulation tools such as the research conducted, we have accumulated a wealth of experience.

The multitudinous researchers in view of the block broken stone ballast temperature decrease mechanism, the temperature decrease effect and the parameter influence, through the open country monitor, room methods and so on cast experiment, value simulation have conducted the research, accumulated the

Many researchers for block temperature, cooling effect of crushed and effects parameters, by field monitoring, laboratory experiments, numerical simulations, and other means to study, has accumulated a wealth of experience.

正在翻译，请等待...