prep.

1. 经，由，靠
   The goods were shipped per steamer.

   货物由船舶运送。

2. 每
   The lunch is $3.50 per person.

   午餐费是每人三元五。

3. 按照，根据
   The report was sent to the general manager as per your instructions.

   按照您的指示，报告送给总经理了。

prep.

1. for each:
   £2 per square yard.
2. by means of.
3. (as per) in accordance with.
4. Heraldry  divided by a line in the direction of.