- 1,4加成
- 1,4-加成反应
- 1,4-双甲基磺酸氧基丁烷
- 1,4双甲基磺酸氧基丁烷
- 1/4 波片
- 1/4波片
- 1/4波线
- 1,4-苯二酚
- 1,4苯二酚
- 1,4-苯并二嗪
- 1,4苯并二嗪
- 1,4-苯醌
- 1,4苯醌
- 1/4覆盖定理
- 15000 years old 5-generation ginkgo in Xitianmu Mountain
- 1500 years old cryptomeria in Jingning
- 1500 years old cryptomeria in Xitianmu Mountain
- 1512年圣谕
- 1553B bus tester
- 1553B总线测试仪
- 1.56m astrometric telescope
- 1.56米天体测量望远镜
- 1593年淮河大水
- 15d trial operation of pumped storage unit
- 15min community living circle