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international geophysical year 國際地球物理年。

international law

The seismic signals detected enabled the determination of the epicentres of intense earthquakes when analysed with data obtained by seismographs in other countries . the long - period seismometer now in use at the hong kong observatory headquarters has been in operation for nearly 50 years , since the international geophysical year of 1958 香港天文臺計劃明年購置一臺寬頻地震儀取代長周期地震儀,令地震波的分析及地震定位更精確,亦可收集更豐富的地震數據供建筑工程界使用,寬頻地震儀對0

Scientists participating in the international geophysical year , 1957 - 58 , began to unlock the secrets of this desolate land 在1957 - - 1958年,參加國際地球物理年的科學家們才開始揭開這塊荒無人跡土地的神秘面紗。

Scientists participating in the international geophysical year , 1957 - 58 , began to unlock the secrets of this desolate land 在1957 - 1958年,參加國際地球物理年科學家們才開始揭開這塊荒無人跡土地的神秘面紗。

The first polar base was established in 1957 , during the international geophysical year 首座南極科考基地建于1957年,當時正值國際地球物理學年。