Mammoth tusks show the same pattern of growth as modern elephants.

猛犸象的象牙和现代大象象牙的生长方式相同。

Still, the target is lower than it was in the previous plan, suggesting that the pattern of growth now matters as much as the speed.

此外，设定的目标低于上次规划的目标表明增长的模式和速度同样重要。