这其中有几十种——掰着指头数的话，超过一百种之多。

There are dozens of them-by one count, more than a hundred.

行首齐头式指信头数行的每行第一个字母上下对齐。

The block form refers that the first word of each line should juxtapose with each other.

在恶劣的沙漠地势下，因为每天要计算牲畜头数和喂养它们，马比自行车更为方便。

On the harsh desert terrain, horses are preferred to.

对放牧强度R值的分析表明，只有调整放牧强度或减少牲畜头数，才能减缓放牧对草场的破坏和压力。

Modulating grazing intensity and reducing livestock according to analyzing r, and then decreasing livestock's destruction and pressure to the grassland.