Typically, on a periodic basis, the provider uses the meter service to generate billing data in order to charge the contracted requestors.
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。
2
Single cell test& discharger is an instrument that can maintain, test capacity to battery and all kinds of DC power supply, accept to new battery project and charge deeply periodic.
It is a periodic review and evaluation of staff performance management system which is in charge of or related personnel to staff the systematic evaluation of the work done.