北西向紧密线型褶皱、断裂及其次级构造控制矿带的展布。
The NW-trending tight linear folds and fractures and their secondary structures control the distribution of the ore belt.
柱状树枝化聚合物是一种具有树状构造的以树枝单元为侧基、线型聚合物为核的柱状纳米级大分子。
Dendronized polymers are one sort of dendritic polymers with dendrons as side groups and linear polymer as core.
根据型材挤压的特点，提出了新的流线型挤压模曲面的构造方法。
Based on the characteristics of extrusion process, a new method of constructing surface for the streamlined extrusion die is proposed in this paper.
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