Thermocline is important for submarine in underwater navigation and action. 温跃层对于潜艇的水下航行和战斗具有十分重要的意义。
A diesel submarine is able to cruise under water for a short period of time, but a nuclear one is able to cruise under water much longer. 柴油潜艇在水下只能航行非常短的时间，而核潜艇在水下航行的时间要长得多。
