RL
abbr. 火箭发射器（Rocket-Launcher）；无线电定位（Radio Location）；回波损耗（Return Loss）
例句
RL was better to the formation and accumulation of dry matter and carbohydrate.
红光处理有利于干物质和碳水化合物的形成与积累。
The first, readiness level 3 (RL-3), provided flight skills but no tactics training.
第一，即RL-3，尽提供战斗技巧而没有战术训练；
Clothing companies like Ralph Lauren (RL - news - people) work both internal and external channels.
服装公司如拉夫·劳伦同时运用内部和外部两个渠道。
