| 1. | Early upper - air measurements
早期高空探测工作 |
| 2. | Upper - air measurement was conducted at the hong kong observatory headquarters in early years
早年在香港天文台总部进行高空探测的情况 |
| 3. | Upper - air measurement was moved to king s park meteorological station in 1951 current manual launching of balloon
一九五一年高空探测工作由天文台总部移至京士柏气象站进行 |
| 4. | Four upper air measurements of wind , pressure , temperature and humidity are carried out daily at 0200h , 0800h , 1400h and 2000h local time
天文台每日定时在香港时间2时、 8时、 14时及20时作四次高空探测，量度高空风向、风速、气压、气温及湿度。 |
| 5. | For example , even though air - conditioning is already very common , the government still rigidly requires open - air measurement in undertaking noise assessment for development proposals
举例说，即使空气调节已非常普遍，政府仍坚持在户外探测各项发展计划的噪音水平。 |
| 6. | The hong kong observatory has been using meteorological balloons for upper - air measurement since 1921 . the weather information obtained is used for weather forecasting and aviation purposes
香港天文台自一九二一年开始利用气象气球探测高空，所得的资料应用于天气预报及航空用途上。 |
| 7. | The hong kong observatory has been using meteorological balloons for upper - air measurement since 1921 . the weather information obtained is used for weather forecasting and aviation purposes
香港天文台自一九二一年开始利用气象气球探测高空，所得的资料应用于天气预报及航空用途上。 |
| 8. | The observatory conducts upper - air measurements three times daily at 8am , 2pm and 8pm at king s park meteorological station . each measurement involves the launch of a meteorological balloon about one - metre wide carrying a radiosonde
每次施放一个约一米直径的气象气球，携带无线电探空仪升上高空，最高可达三十公里(十万英尺)的高度。 |
| 9. | The observatory conducts upper - air measurements three times daily at 8am , 2pm and 8pm at king s park meteorological station . each measurement involves the launch of a meteorological balloon about one - metre wide carrying a radiosonde
每次施放一个约一米直径的气象气球，携带无线电探空仪升上高空，最高可达三十公里(十万英尺)的高度。 |
| 10. | Common test methods for insulating and sheathing materials of electric cables . part 4 : methods specific to polyethylene and polypropylene compounds . section two : elongation at break after pre - conditioning - wrapping test after pre - conditioning - wrapping test after thermal ageing in air measurement of mass increase - long - term stability test appendix a . test method for copper catalysed oxidative degradation appendix b
电缆绝缘和护套材料通用试验方法第4部分:聚乙烯和聚丙烯混合料专用试验方法第2节:预处理后断裂伸长率试验-预处理后卷绕试验-空气热老化后的卷绕试验-测定质量的增加附录a :长期热稳定性试验附录b :铜催化氧化降解试验方法 |
