asthenosphere什么意思解释？

asthenosphere的音标：asthenosphere的英式发音音标为：[æs'θi:nɜ:ˌsfɪə]asthenosphere的美式发音音标为：[æs'θinɜˌsfɪr]...

The mesosphere comprises the rest of the mantle below the asthenosphere.中间圈包括岩流圈以下地幔的其余部分.The asthenosphere corresponds approximately to the low - velocity zone.软流圈,大体上相当于低速带.Maginal orogeny was formed on this condition ...