土壤资源的特点
如何培养和提高生疑问题的能力？
法律救济途径，一般有三种（）、（）、（）。
The Schuyler and Livingston Iron Works has been working on getting its network security under control. It has set up VPN with IPSec links to its suppliers. It has installed network vulnerability scanners to proactively identify areas of weakness, and it monitors and responds to security events as they occur. It also employs extensive access control lists, stateful firewall implementations, and dedicated firewall appliances. The company has been growing very fast lately and wants to make sure it is up to date on security measures.Which two areas of security would you advise the company to strengthen? （） intrusion protection。 identity。 secure connectivity。 security management。
发电机应装设哪些类型的保护装置？有何作用？
自主原则的三个基本要素不包括（）。
