| 1. | The origins of these rings still remains a mystery
但是到现在为止，这些环状结构的起源仍然是个谜。 |
| 2. | Having an open - chain molecular structure rather than a ring - shaped structure
无环的具有开链分子结构的，而非环状结构的 |
| 3. | Explanation : what ' s causing those odd rings in supernova 1987a
说明：这些奇特的超新星1987a环状结构到底是怎麽形成的呢？ |
| 4. | Covalent ring structure
共价环状结构 |
| 5. | Here , the group r ranges from a simple hydrogen atom to complex ring structures
基可以是简单的氢原子也可以是复杂的环状结构。 |
| 6. | The three isoforms have a common carboxy - terminal domain of 188 amino acids , and this region is highly homologous to the reticulon protein family
在nogo分子的c -末端，有两个跨膜片段，被66个氨基酸残基组成的环状结构( nogo - 66 )所分隔。 |
| 7. | Left this three - dimensional map of local gravity and magnetic field variations shows a multi - ringed crater called chicxulub named after a village located near its centre
图左因其中心点位于墨西哥奇求鲁布附近而得名的奇求鲁布陨石坑，其多重环状结构在这幅引力及磁场变化图中无所遁形。 |
| 8. | Speculation into the cause of the rings includes beamed jets emanating from a dense star left over from the supernova , and a superposition of two stellar winds ionized by the supernova explosion
这些奇特环状结构起源的诸多臆测，包括由致密遗骸的高能喷流束及两个重叠的恒星风受到超新星爆炸的游离。 |
| 9. | The surface of the pcl / pvc banded spherulites presented to be concentric periodic ups and downs . the period of the bands corresponded to the extinction rings under the polarized optical microscopy observation
Pcl环带球晶的表面由周期性高低起伏的环状结构组成，其凸凹起伏的环带与球晶在偏光显微镜下的明暗交替相对应。 |
| 10. | As a kind of gtpas , ftsz can intergrate to filamentation or tube when depending - gtp . in fact it is a 400aa bacteria conservative protein whose structure and function similar to that of tubulin ' s
在细菌中ftsz是一个重要的胞浆移动细胞分裂蛋白，在细胞膜内表面分裂的地方形成一个环状结构，起支架作用并在分裂结束后分解。 |
