一种典型的情况是，提供者定期使用计量服务来生成记账数据对签过合同的请求者进行收费。
Typically, on a periodic basis, the provider uses the meter service to generate billing data in order to charge the contracted requestors.
这份不定期交付不定数量（IDIQ）合同要求承包商为海军作战后勤支持中心提供项目管理和技术服务。
The indefinite-delivery, indefinite-quantity contract calls for providing program management and technical services to the Naval Operational Logistics Support Center.
受托方将按照合同附件一约定的服务条款标准在合同约定期限内，提供合同所列的服务。
The trustee shall, within the agreed service period hereof, be responsible for complete the technical services that exhibit in Appendix 1.
由我公司承建的工程后续服务，严格按照合同履约，定期回访、保修。
I company by their engineering follow-up service, strictly according to contract performance, visit, warranty.
由我公司承建的工程后续服务，严格按照合同履约，定期回访、保修。
I company by their engineering follow-up service, strictly according to contract performance, visit, warranty.
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