1) sight reduction
![点击朗读](/dictall/images/read.gif)
测天计算
2) astronomical calculation
![点击朗读](/dictall/images/read.gif)
天文计算
1.
To make preparation for the future research work,a preliminary coordinate translation formula is deduced according to a Julian Day astronomical calculation system.
根据儒略日天文计算体系得出初步坐标转换公式,并为今后的研究工作做准备。
3) inclinometry calculation
![点击朗读](/dictall/images/read.gif)
测斜计算
1.
The minimum-curvature method is one of the most basic methods in the inclinometry calculation and the wellpath design, it has been widely used in the trajectory calculation.
最小曲率法是测斜计算、井眼轨道设计中最常用的方法之一,在井眼轨迹计算中有广泛的应用。
4) survey calculation
![点击朗读](/dictall/images/read.gif)
测斜计算
1.
Error analysis of well path survey calculation methods;
![点击朗读](/dictall/images/read.gif)
井眼轨迹测斜计算方法误差分析
5) measuring and calculation
![点击朗读](/dictall/images/read.gif)
测试计算
1.
Meanwhile, comparison of the heat efficiency obtained with measuring and calculation method was performed.
并通过计算,可以确定焊接电弧的热效率,同时与焊接热源有效利用率的测试计算方法所得到的焊接热效率值进行了比较。
6) forecast calculation
![点击朗读](/dictall/images/read.gif)
预测计算
1.
The superiority and applicability of the forecast calculation on the water gushing capacity of tunnel in mountainous regions b.
64km长的秦岭隧道工程中,进行勘察预测计算隧道涌水量,及其经施工实践验证后的实用效果。
补充资料:测天
1.观测天文。 2.现为航海和航空用语﹐指船舶或飞机驾驶员在航行中观测天体﹐以求出船舶或飞机的地理坐标的方法。如海船上一般用六分仪观测日﹑月﹑星辰等天体的高度﹐定出当时船位的经纬度。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条