Coal rock body is simplified as a double-medium model, including a plenty of micropores and cleats.

煤岩体既有大量的微孔隙又有割理的存在，可以简化为双重介质模型。

youdao

Melt remaining chocolate in the top of a double boiler over medium heat.

剩下的巧克力融化顶部双重中等以上锅炉热。

youdao

The unsteady Darcy flow and the Darcy flow in composite reservoirs through porous medium, double medium and triple medium are special cases of their own.

单一介质、双重介质、三重介质非定常达西渗流及组合油藏达西渗流，只是上述问题的特殊情况。

youdao

Now weighing around 200 pounds, she has gone from wearing a women's size 30 dress to a size 14 and she's gone from wearing a double-wide shoe to a medium width.

CNN: 175 pounds lighter, woman takes flight