1. He is just because he is vulnerable and challengeable.

2. Power System Voltage Stability is a challengeable problem .

3. Freelancer is toilsome and enjoyable; it is a challengeable occupation full of more feelings of achievement!

4. Sociologically Analyzing on science curriculum is a challengeable task in the research field of curriculum and teaching theory.

5. And female college students' employment is even more challengeable for many factors.

6. It is challengeable by using the simplest material to express the most complicated target.

7. Consequently, it is a challengeable attempt to invite residents to participate the original community planning and designing.

8. This is the most challengeable response to the secular tide.

9. Abastract: Highway engineering in karst areas has many challengeable problems such as engineering techniques, environment protection, sustainable development etc.

10. In the face of the challengeable , how to act the role forming a connecting link, manage the school and inspiring members, creating higher performance in order to lead the group.

11. HIV/AIDS despondence is emerged as a urgent and challengeable issue in the world.

12. Image segmentation is the basic and challengeable problem in image processing field.

13. Although the work of translating Chinese classics is challengeable,() it's a good way to introduce the Chinese traditional essence to the world.

14. It is a challengeable problem to track maneuvering targets, especially tracking the high speed and high maneuvering targets, which has both theoretically and practically technical difficulties.

15. Establishment of the civil liability system of insider dealing, an important component of the entire security civil liability system, is very complicated and challengeable.

16. Rebuilding of the civil liability system of security insider trading in China, an important component of the entire security civil liability system, is very complicated and challengeable.

17. These two features make shadow detection and removal very challengeable.

18. As we all know, AXE-10 exchanger power uninterrupted cut over is a very challengeable work all the times to power engineers.

19. As the effect of tomography used in industry and medicine fields becoming more markedly, image segmentation becomes a challengeable research subject in these fields.

20. Constant innovation of land administration system and making it service society better is a challengeable job.

20. try its best to collect and build good sentences.

21. Until now it has got the best properties in some challengeable applications.

22. In the development of the mobile communication, location management is one of the most important and the most challengeable problem.