实用的

With high speed development of computer technology and robotized measuretechnique, reverse engineering has been a method which utilizes computer techniqueto simulate product and develop new product according to practicality.

随着计算机和自动化测量技术的高速发展，逆向工程已经成为以实物为研究对象，利用计算机技术进行产品仿制及新产品开发的重要技术手段，在制造业中发挥着越来越重要的作用。

In view of the exciting, really in just immediately after ejaculation sperm is not washed out The reality.

在性兴奋期，真正地在刚刚射精后立即冲洗掉精子是不现实的。