文中介绍了超晶格、量子线与量子点等低维半导体结构中的电子输运效应及其研究进展。
This paper reviews electron transport effects and study progress on low dimensional semiconductor structures such as superlattice, quantum wire and quantum dot.
本文从理论上及实际上论证了超喂型花式纱线的成纱过程、成纱原理，分析了超喂型花式线的结构特征。
This paper proves spinning process and principle of over feed effect yarn, and analyses construction characteristic of the over feed effect yarn in the theory and actuality.
挂线部分采用柔性钩针结构，保证超细线在高速绞线时不断。
Hung some crochet using flexible structure to ensure high-speed stranding fine line when constantly.
采用该技术可以生产高线密度超细玻璃纤维，主要性能可达到国外同类产品的水平，满足了膜结构材料基材的使用要求。
This technology can produce superfine glass fibers of high linear density, the main properties of which reach the international level and satisfy the use in membrane structures.
挂线部分采用柔性钩针结构，保证超细线在高速绞线时不断。
The part of hanging wire use flexible steel needle structure to ensure the very thin wire is connected when it is running at high speed.
倒顺送料针距可调，结构新超，保证了倒、顺缝纫线迹的一致性和运转的平稳性。
We can adjust the needle distance for forward and reverse stitch, based on new design, to guarantee to sew forward and reverse stitch smoothly and placidly.
倒顺送料针距可调，结构新超，保证了倒、顺缝纫线迹的一致性和运转的平稳性。
We can adjust the needle distance for forward and reverse stitch, based on new design, to guarantee to sew forward and reverse stitch smoothly and placidly.
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