ssm是單壹監管機制
雙語例句：
1、Experiments show SSM has a better classification performance than vector space model in many circumstances.實驗表明，與向量空間模型相比，句子空間模型在許多情況下具有較好的分類性能。
2、All of those must speed up industry application steps on direct formation technique of SSM.加快了半固態成形技術在工業上的應用步伐。
3、Research of Multicast Listener Discovery Technique Based on SSM over IPv6.基於IPv6的特定源組播的組播偵聽發現技術。
4、A method of information provision is studied on the base of Soft System Methodology ( SSM).以軟系統方法為基礎探討信息供給的方法。
5、The Research Status of the SSM Processing Technologies of Aluminum Alloy and the Mechanical Properties of the Products.鋁合金半固態成形工藝及力學性能的研究現狀。