Read Edit View history 临界质量 línjièzhìliàng critical mass Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 临界质量/臨界質量 · línjièzhìliàng · critical mass 2026/03/04 临界质量 / 臨界質量 línjièzhìliàng critical mass the minimum amount of fissile material or size needed to maintain a reaction or process 为了启动核连锁反应,燃料必须达到其临界质量。 created sense Mar 4, 2026, 02:25 AM