The hinge of sketch drawing depends on correct shape structure and form relations and on the understanding and grasp of the overall composition.
素描创作的关键在于正确把握形体结构和构成关系，对整体造型进行深刻地感受和认识。
2
The features of thermoluminescence of quartz in gold ore are described, and its relations to gold mineralization and compositionof quartz are analyzed.
本文描述了赣中地区若干金矿床石英热发光特征，分析了其与金含量及化学成分之间的关系。
3
As a result of linear compositionof words and the multi-dimensional representation of semantics, a syntactic structure has two kinds of grammatical relations: the overt and the covert.