It is important to note which models have been established—for example, server billing at US$0.10 per hour rather than large upfront procurement costs.
重要的是要注意实现了哪种模式，例如，服务器以每小时US$0.10计费，而非以大量的前端采购成本计费。
The billing for most of these elements is on a per-month basis, where each server is decommissioned and returned within a few minutes as initially provisioned.
这些元素大多是按照每月计费，每台服务器在几分钟之内就按初始配置释放并返回。
The billing service establishes the connection to the web server through a PHP interface and gets the record document from the Usage record (UR) Repository.
这个账单服务通过一个PHP接口连接web服务器，从使用量记录(UR)存储库获取记录文档。
The main server exists only for the presence information and billing users of the system whenever they make a call that has charges (e.g. SkypeOut).
主服务器只为了保存在线信息和计费存在（比如SkypeOut）。
The main server exists only for the presence information and billing users of the system whenever they make a call that has charges (e.g. SkypeOut).
主服务器只为了保存在线信息和计费存在（比如SkypeOut）。
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