The major volcanic reservoirs are mainly in the effusive facies, and the best reservoir belts are in the gas cavity belts on top and at base of the effusive facies.
火山岩储层主要发育在溢流相，尤其是溢流相顶底部的气孔带是最为有利的储集相带。
Achenes 8 - ribbed, white pilose; pappus scabrous, 10-12 mm long, connate at base.
瘦果纺锤形，具8条纵棱，被白色长柔毛；冠毛粗糙，长10 - 12毫米，基部联合。
Objective:To explore the scope of endoscopic transnasal approaches in the surgery at base of skull.
前言： 目的：探讨鼻内镜技术在颅底手术的应用范围。
Aimed at base point and cutter position point of handwork program calculating problem, a new method is presented.
针对手工编程中的基点和刀位点的计算问题给出了一种新的求解方法。
Flowers in sessile umbels, with or without leaves at base.
花生于无梗伞形花序，有或没有叶在基部。
Stems single or several and cespitose , branched above, densely hispid, hairs discoid at base; branches slender, spreading.
茎单一或数个和丛生，上面分枝，密被糙硬毛，毛盘状的在基部；分枝纤细，平展。
The correlations between seedling height, diameter at base, main root length, lateral root number and root range were analysed according to statistical principles.
根据统计学原理对一年生苗木苗高、地径、主根长、侧根数、根幅的测量数据进行了相关性分析。
Depending on the relationship between height (H) and diameter (D) of dominant trees, it takes the height of the dominant achieved at base diameter as the index of site quality estimation.
试图从优势木树高与胸径的相关关系入手，以优势木在标准胸径时所达到的树高作为评估地位质量的指标。
Depending on the relationship between height (H) and diameter (D) of dominant trees, it takes the height of the dominant achieved at base diameter as the index of site quality estimation.
试图从优势木树高与胸径的相关关系入手，以优势木在标准胸径时所达到的树高作为评估地位质量的指标。
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