service tariffing服务费率
tariffing based on distance从距运价表
electric energy tariffing电能计费
Tariff rate is an important content of customs system.
货物的原产地是确定货物所适用的关税税率的重要因素。
Telecom tariff is generated by discount policies.
电信资费是由优惠规则所产生。
So in this paper, I study the application of two-pall system in generation market; and measuring the two-pail tariff of some stations of Sichuan network approves its feasibility.
针对这个情况，本文研究了两部制电价机制在发电侧电力市场中的应用，通过对四川电网中某些电厂两部制上网电价的测算证实了其可行性。
参考来源 - 发电侧电力市场两部制上网电价理论与方法研究Internal tax is a special concept different from tariff.
国内税(internal tax)是与关税相区别的专用概念。
参考来源 - 世界贸易组织协定中的国内税问题N-COUNT（可数名词） A tariff is a tax that a government collects on goods coming into a country. (政府对进口货物征收的) 关税 [商业]
America wants to eliminate tariffs on items such as electronics.
美国想要取消电子类产品的关税。