结论先行CT脑灌注成像，根据测量值预测脑CTA检查延迟时间是保障CTA检查成功的一种较好的方法。
Conclusion It's a satisfactory method based on successful cerebral CTA study to take the time to peak in CT perfusion as the delay time.
根据机械自动化专业的教学课程系列，设计了课程先行性关系图，说明了课程先行性分析对教学计划制定的意义。
Then a curriculum antecedence chart of Manufacturing and Automation Engineering is provided to illustrate the significance of antecedence research in making teaching plans.
补贴方式是由经销商直接执行，通常是经销商先行“垫付”，车企再根据经销商申报向工信部申请返款。
The subsidies will be paid by car dealers first and they apply the subsidies from the Ministry of Industry and Information Technology (MIIT).
应用推荐