RRR abbr. 相对危险度减少百分比(relative risk reduction);相对呼吸率(Relative Respiration Rate);风险补偿比率(reward-to-risk ratio)
- RRR is I respect musicians.
RRR是我非常崇敬的音乐家。 - A new horizontal-vertical conversion hybrid machine——3-TPS(RRR) hybrid machine had been introduced, and its configuration was analyzed.
介绍了一种新型立卧转换式三杆混联机床———3-TPS(RRR)混联机床,并对机床的结构进行了分析。 - This thesis deals with the motion characteristics and optimal dimensional synthesis of the RPR, RPR, RPR, and RRR types of three degree-of-freedom planar parallel manipulators (PPM).
本文针对RPR、RPR、RPR与RRR之平面三自由度并联式机构讨论其运动特性与最佳尺寸合成。