... 事先加以推测 second guess 先加油混炼法first oil technique 事前；预先 be beforehand ...
双语例句
1
EGS was first proposed by Los Alamos National Laboratories in the 1970s, but the technique was largely forgotten about when oil prices fell.
最初是美国洛斯阿拉莫斯国家实验室(Los Alamos National Laboratory)在上世纪七十年代提出EGS建议，不过，在石油价格下跌时期，大家差不多把这一技术都忘记了。
2
Then researching the forerunner PID control technique of the lube oil temperature control system, It is the first time take the nerve network PID control to them.