是，相当于
according to 按照
as per 通常是商务邮件往来中出现多
可以说 according to 更正式些
而且as per 简短，email往来通常
越简单越好，有些也都用缩写
ASAP-
as soon as possible
Thx-thanks
BG -best regards
等等等
例句：
Kindly forward these by fast freight. enclosed please find a draft as per memorandum bill you send us.
上述货物，请尽快发货。按照贵公司寄我司的价格单，同函寄上汇票一份，请查收。
2.
For the cost of the articles, I have debited you￡51.70, as per note annexed.
如附件说明，货价51.70英镑，已记入贵方借方帐项。
3.
As per the contract, the construction of factory is now under way.
根据合同规定，工厂的建设正在进行中。