And coal prices fell and then started to recover, while displaying regionalvariety.
煤炭价格下跌后又开始恢复，而不同地区也体现出一些差别。
2
The regionalvariety of development degree and horizon shows that the turbid-water with mud is from Cathysia on the east of Zhejiang-Anhui Sea Basin.
其发育程度及其层位的区域变化规律表明，泥质浑水系来自海盆东侧的 华夏 古 陆。
3
Australian English, a regionalvariety based on the Cockney English of the late 18th century, has developed its peculiar phonetic features over the years.