The test results show that the externally prestress technology can be applied in strengthening concrete simplespan beam to enhance its bearing capacity and ductility.
试验证明，利用体外预应力技术加固混凝土简支梁桥，可以明显提高承载力及延性。
2
IBM Tivoli Federated identity Manager (TFIM) provides a simple, loosely-coupled model for managing identity and access to resources that span companies or security domains.
IBM Tivoli Federated Identity Manager (TFIM)通过一个简单的松散耦合的模型跨公司和安全域管理身份和资源访问。
3
It may span multiple plug-ins, making inclusion of only required content a simple matter.