| 1. | For example , you can use cache parameters in a page that displays weather conditions for select cities , where the weather data is refreshed only every three hours
例如，可以在显示所选城市的天气情况的页面中使用缓存参数，天气数据仅每三小时刷新一次。 |
| 2. | In the past , whenever a tropical cyclone was centred within the region bounded by 10 - 30 degrees north and 105 - 125 degrees east area shaded in deep green in the figure , the observatory would display the positions and forecast track of the tropical cyclone on its website every 3 hours
在过去，当热带气旋中心位于北纬10至30度，东经105至125度以内图中深绿色范围，天文台会每三小时在网上发放该热带气旋的位置及预测路径图。 |
| 3. | Starting from this month the chinese version of the shipping warning is also available from the observatory s website once every three hours for use by personnel of shipping companies , mariners and members of the public who operate in chinese . figure 2 shows a sample of the shipping warning in chinese
由今年八月起，天文台在网页内发放为船舶提供的热带气旋警告中文版样本见附图二，每三小时更新一次，以方便使用中文的船公司人员航海和公众人士。 |
| 4. | Hitherto the tropical cyclone warning for shipping is issued in english only . commencing today ( 11 august 2004 ) , the chinese version of the shipping warning is also available from the observatory s website once every three hours for use by personnel of shipping companies , mariners and members of the public who operate in chinese
船舶警告以往只以英文发放。现为方便使用中文的船公司人员、航海和公众人士，从今天( 2004年8月11日)起，天文台在网页内发放为船舶提供的热带气旋警告中文版，每三小时一次。 |
| 5. | Beginning this month ( august ) , the update frequency of tropical cyclone track on the website will increase from every three hours to every hour whenever the tropical cyclone warning signal no . 3 or above is in force . this is to make it easier for members of the public to obtain updated information on the intensity and movement of the tropical cyclone ( see figure 1 for a sample of the hourly tropical cyclone track )
为了让本港市民更容易掌握热带气旋的最新强度及移动情况，天文台由今年八月开始，当三号或以上的热带气旋警告信号生效时，增加网页内热带气旋路径图的更新次数，从以往的每三小时更新一次，加密至每小时一次(每小时热带气旋路径图样本见附图一) 。 |
| 6. | Hitherto the tropical cyclone warning for shipping is issued only in english . starting from this month the chinese version of the shipping warning is also available from the observatory s website once every three hours for use by personnel of shipping companies , mariners and members of the public who operate in chinese
由今年八月起，天文台在网页内发放为船舶提供的热带气旋警告中文版(样本见附图二) ，每三小时更新一次，以方便使用中文的船公司人员、航海和公众人士。 |
| 7. | The update frequency of tropical cyclone track on the website is increased from every three hours to every hour whenever the tropical cyclone warning signal no . 3 or above is in force . this is to make it easier for members of the public to obtain updated information on the intensity and movement of the tropical cyclone
为了让本港市民更容易掌握热带气旋的最新强度及移动情况，天文台在三号或以上的热带气旋警告信号生效时，增加网页内热带气旋路径图的更新次数，从以往的每三小时更新一次，加密至每小时一次。 |
| 8. | Hitherto the tropical cyclone warning for shipping is issued in english only . commencing today 11 august 2004 , the chinese version of the shipping warning is also available from the observatory s website once every three hours for use by personnel of shipping companies , mariners and members of the public who operate in chinese
船舶警告以往只以英文发放。现为方便使用中文的船公司人员、航海和公众人士，从今天( 2004年8月11日)起，天文台在网页内发放为船舶提供的热带气旋警告中文版，每三小时一次。 |
| 9. | Beginning this month august , the update frequency of tropical cyclone track on the website will increase from every three hours to every hour whenever the tropical cyclone warning signal no . 3 or above is in force . this is to make it easier for members of the public to obtain updated information on the intensity and movement of the tropical cyclone see figure 1 for a sample of the hourly tropical cyclone track
为了让本港市民更容易掌握热带气旋的最新强度及移动情况，天文台由今年八月开始，当三号或以上的热带气旋警告信号生效时，增加网页内热带气旋路径图的更新次数，从以往的每三小时更新一次，加密至每小时一次每小时热带气旋路径图样本见附图一。 |
