At this' mature stage ', sea salt could be harvested for commercial use.
在这个成熟期，海盐可以作为商业用途被采集。
2
The results of experiment indicate that the soil of salt pan in Nanpu saltworks is mature.
实验结果表明：南堡盐场盐田土壤为发育成熟的盐田土壤。
3
The mature phase of the hydrocarbon source rock of the salt lake facies of the Tertiary in the western Caidamu is in late Tertiary, and it is later than other basins.