half-log

例句：

1. 1. The function is defined as the natural logarithm of the number of points divided by the number of points.
   这个函数定义为点的数量的自然对数除以点的数量。
2. 2. In this case, the half-logarithm of a number is its logarithm base 2.
   在这种情况下，一个数的半对数是它的以2为底的对数。
3. 3. The half-logarithm of a number can be found by taking the logarithm of the number and then dividing by 2.
   一个数的半对数可以通过取该数的对数然后除以2来找到。