Common Channel Signaling System公共信道信令系统 the Center for Catalysis and Surface Science催化与表面科学中心 Center for Computer System Security对计算机系统安全。中心 Computer Crime and Security Survey计算机犯罪与保障调查 Coordinating Committee on the Social Sector协调委员会对社会领域 Center for Complex Systems Studies (Kalamazoo College)对于复杂系统研究中心(目前大学) Canadian Computer Security Symposium加拿大的计算机安全研讨会 Conference of the Cognitive Science Society认知科学学会的会议 Commodity Command Standard System商品的命令标准体系 Comanche Crew Support SystemComanche船员支持系统 Consolidated Critical Support System巩固关键支持系统 Community Charge for Standard Spending (UK)社区收费标准开支(英国) Coordination Committee on Social Sector协调委员会对社会领域 Command & Control Switching Systems指挥及控制开关系统 Command Commodity Supply System命令商品供应系统