trf
abbr. 调谐射频（uned Radio Frequency）；促甲状腺素释放因子（Thyrotropin Releasing Factor）
例句
Educate, involve, and ask Rotarians to support TRF.
教育、请及要求扶轮社员支持扶轮基金会。
The district is responsible for ensuring that all activities and expenditures comply with TRF requirements.
地区有责任保证所有活动和费用都遵守扶轮基金会的要求。
The district must identify appropriate projects to support and spend the grant funds in accordance with TRF requirements.
地区必须寻找支援和使用该奖助金经费符合扶轮基金会要求的适当计划。
