| 1. | On the weather chart , it has associated with it a trough line
在天气图上，它会伴随著一条槽线。 |
| 2. | On the weather chart , it has associated with it a trough line
在天气图上，它会伴随著一条槽线。 |
| 3. | The pressure there is lower than that at neighbouring points on either side of the trough line
槽线上的气压会较其两旁气压为低。 |
| 4. | Hence , symbols for synoptic features such as cold fronts and trough lines are omitted
因此预测图内并没有标示冷锋和低压槽等天气系统。 |
| 5. | The computer model forecast weather maps are generated by the observatory s computer model directly without manual adjustment . hence , symbols for synoptic features such as cold fronts and trough lines are omitted
这些电脑模式预测天气图是由天文台的电脑直接编制而成，不经人手修订。因此预测图内并没有标示冷锋和低压槽等天气系统。 |
| 6. | The computer model forecast weather maps are generated by the observatory s computer model directly without manual adjustment . hence , symbols for synoptic features such as cold fronts and trough lines are omitted
这些电脑模式预测天气图是由天文台的电脑直接编制而成，不经人手修订。因此预测图内并没有标示冷锋和低压槽等天气系统。 |
