1) observing radius
观测半径
2) Apparent radius
表观半径
3) apparent radius
表观半径，视半径
4) investigation radius
探测半径
1.
Based on the basic theory of fluid seepage mechanics in porous medium,the calculation of the investigation radius of the oil wells is researched,and all the formulae of the investigation radius are analyzed.
为了给油田开发设计提供依据,须准确确定油井的探测半径。
2.
The conventional formula for calculating investigated radius of oil wells is an approximate one, which can not deal with superposition calculation of investigation radius formally and a series of complicated problems can not be solved.
传统的油井探测半径计算公式是一个近似公式,形式上不能进行叠加计算,许多复杂问题得不到解决;新的油井探测半径的精确计算公式,可以进行油井探测半径的叠加计算,还解决了传统公式存在的所有缺陷,更能计算复合地层的探测半径,显示了该公式的应用价值。
3.
Actual investigation radius of the production well can not be calculated, and all the equations of investigation radius are approximately treated.
压降漏斗的外部边缘即某一时刻压力波所能波及到的径向距离就是所谓的“探测半径”。
5) radius of investigation
探测半径
1.
New computing method for radius of investigation based on flow rate;
基于流量的探测半径计算方法研究
6) radius measurement
半径测量
补充资料：观测
①观察并测量（天文、地理、气象、方向等）：～风力。②观察并测度（情况）：～敌情。
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