| 1. | In dna, four different bases are found. two of these, adenine and guanine, are double-ring structures called purines .
在DNA中，有四种不同的基，其中的两个为腺嘌呤和鸟嘌呤，即称为嘌呤的双环结构。 |
| 2. | In dna, four different bases are found. two of these, adenine and guanine, are double-ring structures called purines .
在DNA中，有四种不同的碱基，其中的两个为腺嘌呤和鸟嘌呤，即称为嘌呤的双环结构。 |
| 3. | Vibration amp; noise analysis on double - ring gear reducer
双环减速机振动噪声分析 |
| 4. | On infinite family of tight optimal double loop networks
关于紧优双环网络的无限族 |
| 5. | The pavilion was originally built in 1741 by
双环万寿亭位于祈年殿西侧柏林中。 |
| 6. | Progress in research on - alumina catalyst carrier
双环戊二烯催化开环移位聚合研究进展 |
| 7. | Study on vapor - phase depolymerization of dicyclopentadiene
双环戊二烯气相解聚工艺的研究 |
| 8. | Double eyes with protective fitting , for overhead power lines
架空线路用带保护接头的双环 |
| 9. | Double loop chains without quality requirements
无质量要求的双环链 |
| 10. | Hubei yangfeng stock co . , ltd hubei shuanghuan group
湖北双环集团 |
