The accuracy of the future international celestial reference frame obtained from astrometric satellites: SIM and GAIA are given.
介绍由天体测量卫星GAIA和SIM给出的天球参考架可能逵到的精度。
Because they can some how get into the different frame of reference, therefore, see the future.
因为他们可以有办法转到另外一个参考系统﹐所以就看到了未来。
In final, Grouting Steel Pile wall's marked effect on the landslide was description, and design of a certain frame of reference was constructed for the future.
说明注浆型钢花管挡墙对滑坡治理效果显著，并为今后施工设计提供了一定的参考依据。
In final, Grouting Steel Pile wall's marked effect on the landslide was description, and design of a certain frame of reference was constructed for the future.
说明注浆型钢花管挡墙对滑坡治理效果显著，并为今后施工设计提供了一定的参考依据。
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