SSU合同中SSU是那几个单词的缩写呢？谢谢！

我指的是软件开发服务的合同，即乙方为甲方提供驻场人员开发服务，甲方认定工作量后以一定单价（人月）×人月数支付服务费，业界也称 “卖人头”服务，
意思能理解，就是好奇英文SSU的全称。。。。。。

你提供的资料太少，无法准确定位。可能是Shared Service Units
其它可能的意思：
SSU Sonoma State University
SSU Small Subunit
SSU Shawnee State University (Ohio)
SSU Savannah State University (Savannah, Georgia)
SSU Sveriges Socialdemokratiska Ungdomsförbund
SSU Salisbury State University
SSU Session Support Utility
SSU Stratospheric Sounding Unit
SSU Special Services Unit
SSU Sunny-Side Up
SSU Saybolt Seconds, Universal (viscosity)
SSU Synchronization Supply Unit (Nortel)
SSU Sunny Side Up
SSU Syktyvkar State University (Russia, Komi)
SSU Southampton Solent University (UK)
SSU Sequential Shunt Unit
SSU Synchronisation Supply Unit (ITU)
SSU Sacramento State University
SSU System Software Update
SSU Subsequent Signal Unit
SSU Single Subscriber Unit
SSU System Synchronization Unit (Newbridge)
SSU Staff Support Unit
SSU System Supervisory Unit
SSU Shared Services Unit
SSU Sub-Sectoral Units
SSU Supply and Service Union (Canada)
SSU Services & Support Unit
SSU System Services and Utilities
SSU Surface Screen Unit
SSU Surface Sensitivity Unit
SSU Sight Survey Unit (target/sighting, military helicopter)
SSU State Sites Unit (Illinois Environmental Protection Agency)
SSU Shift Start Up (various organizations)

我不会~~~但还是要微笑~~~：）