be spread for meaning in Chinese

摆好准备

But in everyday teaching activities , chemistry teaching with computer aided has not really been spread for the following reasons : 1
但是，计算机辅助化学教学仍没有在日常教学中推广开来。
Ulan bator is the capital of mongolia , and the song that extols ulan bator city is spread for 15years . now , the writer was invited to join in the production , his re - creation gave a new lift to this song
乌兰巴托是蒙古国的首都，这首歌颂乌兰巴托城市的民谣已在蒙古国流行了十五年，这次邀请到原作者参与了这首歌的制作，重新诠释并赋予了这首歌新的生命。
This experience indicates that the above method for optimizing powertrain rubber mounting system ' s parameters is effective to improve powertrain isolation performance . it could be spread for designing and optimizing similar problems in engineering field
实践证明这种方法是设计和提高动力总成橡胶悬置系统隔振性能的有效途径，并能推广到类似的优化设计问题中去。