理学 云计算 释 software as a service 软件即服务 一种云交付模型。云交付模型是指云提供者提供的具体的、事先打包好的信息技术（informaiton technology，IT）资源组合。软件即服务即云提供者把软件程序作为共享的云服务，作为“产品”或者通用的工具来对外提供服务。这里的软件无需用户安装，仅需通过一个网页浏览器或者精简的客户端来访问。
软件工程 释文 software as a service, SaaS 软件即服务
- external composition
- external composition law
- external compression inlet
- external conical refraction
- external contact
- external-conversion
- External corporate entrepreneurship
- external corrosion direct assessment
- external corrosion of oil and gas pipeline
- external counter pulsation and auxiliary circulating device thereof
- external curvature
- external cylindrical grinding machine
- external data representation
- external data representation, XDR
- external digestion
- external direct product
- external direct sum
- external diseconomic regulation
- external disturbance
- external division
- external dosimetry
- external drag
- external ear
- externaleconomies of agglomeration
- external edge of the territorial sea