1.
The Vacation Queueing System with Balking and Reneging;
带有止步和中途退出的休假排队系统
2.
Multi-Server Queuing Systems with Balking, Reneging and Vacation;
带有止步和中途退出的多服务员休假排队系统
3.
Many students drop out because they are not prepared for our challenging program.
许多学生因为没有准备好应对我们的挑战性项目而中途退出了。
4.
Performance Analysis of Machine Interference Problem with Balking, Reneging and Vacation;
带有止步、中途退出及休假的机器干预问题的性能分析
5.
Machine Interference Problem with Balking, Reneging, Vacation and Warm Spares
带有止步、中途退出及休假的温贮备机器维修问题
6.
Machine interference problem with server vacation plus balking and reneging
带有止步和中途退出的修理工有休假的机器维修问题
7.
Juan Pablo Montoya was forced to retire on lap 18 after his car got stuck on a high kerb after spinning off the track.
他的队友蒙托亚在第18圈时因为赛车失控打圈卡在路缘，被迫在中途退出比赛。
8.
Why did you drop out in the middle of the marathon?
为什么你在马拉松赛跑途中退出？
9.
He dropped out of Harvard.
他从哈佛大学中途退学。
10.
early notification system [drop-out]
及早知会程序〔中途退学〕
11.
Research on Exit Barriers and Exit Approaches for Resource-exhausted SOEs;
资源枯竭型国有企业退出障碍与退出途径分析
12.
The concert was for the birds. I left during an intermission.
（诗歌朗诵会乏味得很，一点意思都没有，中途休息时我退出了。
13.
Study on China Venture Capital s Exit Mechanism and Exit Ways;
我国创业投资退出机制和途径的研究
14.
On Withdrawing Tolally:the Wrong Road to Regulating the Distribution of the State-owned Economy;
全面退出论:国有经济布局调整的歧途
15.
on the outward/homeward voyage
在出航[返航]途中
16.
Were you a drop out?
你曾是中途退学的学生吗？
17.
Mr Davis withdrew from the business firm, because he saw breakers ahead.
戴维斯先生退出了这家商行，因为他看前途危险。
18.
Channels for Withdrawing Venture Capital Investment and Recommendations to Overcome Some Problems Encountered;
风险投资退出途径:比较、问题与解决方法