2) double-direction observation method
对向观测法
1.
Triangle elevation with total-station can be used for control survey replacing leveling,which contains the double-direction observation method and midpoint observation method.
全站仪三角高程测量可以代替水准测量进行高程控制,主要有对向观测法和中间观测法。
3) reciprocal observation at the same time
同步对向观测
1.
The author has verified a new trigonometric leveling method which proceeds measures as follows:It is based on ATR(Automatic Target Recognition),avoids vertical refractional influence through reciprocal observation at the same time, designs observational routes to form spanning quadrilaterals across obstacle and adopts a new weight factor from precision estimation.
以自动型全站仪的自动目标识别技术为硬件基础进行跨河三角高程试验,采用严格同步对向观测消除大气折光影响,设计观测路线构成具有外部检核条件的跨越四边形,根据精度分析提出新的定权方法。
4) Synchro reciprocal observation
同时(步)对向观测
5) absolute observation
绝对观测
1.
An effective way to raise the data precision in geomagnetic absolute observation;
提高地磁绝对观测数据精度的有效途径
2.
The geomagnetic absolute observation data processing of Mengcheng seismic station was mainly done by way of manual computation.
蒙城地震台地磁绝对观测数据主要通过手工方式计算处理,由于内容多而繁琐,很容易出现人为错误,而且工作效率不高。
6) comparative observation
对比观测
1.
The article summarizes the concrete operation method for installing two sets of digital thermometers for comparative observation and solving the difficulty of excluding the instrument trouble when appear abnormal data.
007 5℃,是井下温度变化的真实反映;并且总结出在地热前兆台站安装两套地热仪进行同层温度对比观测的具体操作方法,从而解决了实际观测中出现数据异常时不能确认是前兆异常还是仪器故障的难点。
补充资料：对向
1.应对趋走。 2.配偶。
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