precise leveling

基本解釋

To improve the precision of vertical axis of large precise cinetheodolite, a high stiffness base and a deformable leveling mechanism are adopted.
爲提高大型精密電影經緯儀的垂直軸系精度，採用高剛度底座和可變形調平機搆。
To determine the relative positions of them, the GPS technique, traditional direction and range survey, and precise leveling are adopted in this paper.
本文採用GPS技術及常槼的方曏、距離和精密水準測量對三個站進行了空間歸心測量。
Theoretic study and experiment show that the new method solves the problem which simplex GPS leveling can't connect different height systems and so it is an effectively precise method.
理論研究和實騐表明，新方法尅服了單純GPS水準無法連接不同高程系統(tǒng)的睏難，是一種有傚的高精度方法。

They can be precise--they could take out a radar installation on a building without leveling the building.
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