high-precision levelling

常见例句

双语例句

• The paper provides the surveying results 3 periods with high-precision levelling in Hot Spring Area in 1993. A preliminary conclusion was achieved by analysing former materials.
  应用精密水准测量方法，于1993年在温泉区取得三十周期的观测成果，结合以往资料进行综合分析，得出初步结论。
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