| 1. | His grave is marked by a fine stela .
他的墓前有一块精致的石碑。 |
| 2. | The challenges were marked by bitterness and hostility .
挑战是冷酷并带有敌意的。 |
| 3. | The channel is marked by buoys .
航道有浮标表示。 |
| 4. | These five years were marked by very considerable recovery at home .
在这五年期间，国内的复兴有了可观的成绩。 |
| 5. | It is marked by a tendency to employ shapes of a deliberately nebulous character .
它以故意模糊不清的朦胧形象为标志。 |
| 6. | Catagensis is marked by a loss of hydrogen, and consequently by a decrease of the h/c ratio .
后生阶段以氢减少必然导致HD比率降低为特征。 |
| 7. | In fig. 11-13, a series of multiflash photographs, the center of gravity is marked by a black band .
图11-13为多次闪光照片，重心用涂黑的短线表示。 |
| 8. | in this figure the six combinations for which eijk≠0 have been marked by heavy dots.
在这个图中，eijk0的六种组合已用黑点标记出来。 |
| 9. | The path of a man carrying plants from the field may then be marked by primary virus infection .
当人从田间带植物，所经之路就可能有第一次被病毒侵染的标志。 |
| 10. | The oil industry is marked by an element of danger , hence the siting of refineries is at a distance from population centers .
石油工业的特征是有一点危险性，所以炼油厂的厂址在远离人口集中的地方。 |
