1) division of tectonic units
主探方向
2) exploration orientation
勘探方向
1.
Superficial view on exploration orientation in exploration area of North China.;
华北探区勘探方向的浅见
2.
Main factors controlling hydrocarbon accumulation and exploration orientation in Lower Congo Basin
下刚果盆地油气成藏主控因素及勘探方向
3) Exploration Direction
勘探方向
1.
Mesozoic Geological Characteristics and Hydrocarbon Exploration Direction in Liupanshan Basin;
六盘山盆地中生界地质特征与油气勘探方向
2.
A study on Paleogene sequence stratigraphy and sedimentary systems and a discussion on hydrocarbon exploration directions in Qinnan depression;
秦南凹陷古近系层序地层和沉积体系研究及油气勘探方向探讨
3.
Petroleum reservoiring characteristics and exploration direction in marine strata in southern China;
中国南方海相层系油气成藏特点与勘探方向
4) direction of detection
探测方向
5) exploration target
勘探方向
1.
Discussion on oil reservoir forming conditions and exploration targets of the Silurian in Talimu Basin;
塔里木盆地志留系成藏条件与勘探方向探讨
2.
Formation conditions for middle and large oil/gas fields in rift sequences of Songliao basin and thear future exploration targets;
松辽盆地断陷层系大、中型油气田形成条件及勘探方向
3.
Natural gas distribution,main controls over accumulation and exploration targets in Bohai sea
渤海海域天然气分布特点、成藏主控因素与勘探方向
补充资料：主方向
主方向
principal direction
主方向【1劝‘间山m比佣;阴姗oe“皿p~瞅] 正则曲面一点处使得曲面在该点的法曲率(加m司cun么t迎叱)达到极值的切方向.在曲面的每点或有两个主方向，或每个方向都是主方向(在平坦点〔恤t point)和脐点仁洲bili司point)).在前一种情况下，主方向是正交的，共规的，且重合于曲率标形(见加咖标形(Du妙i川iotr认))的轴的方向.若t是一主方向、则成立关系(R仪场g址公式(R喊心祀fonnula))二 V，n=一kVrr这里n是曲面的单位法向量，k是曲面r“r(“，劝沿t方向的法曲率.反之，若等式V:n=又V:r沿某方向t成立，则该方向是主方向.沿主方向的法曲率就是众所周知的主曲率(prizlciPal cun吸t切旧). EB.1场服川撰【补注】 参考文献见主曲率(pnnaPal cun旧加比).
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