The second part is the controllability of parabolic equation .

第二部分写的是，抛物方程的能控性。

No longer, in terms of emotional controllability, are we ships adrift.

在情绪的可控性方面，我们再也不是随波逐流的小船了。

Finally, we consider the exact null controllability of the system.

第三部分考虑了系统的精确零能控性。

This system can improve the controllability of SIP network effectively.

该系统可有效地提高SIP网络的可控性和可管理性。

It provides referrence for more research on automotive controllability and stability.

从而为进一步研究汽车操纵稳定性提供了参考。