On compact Riemannian manifolds with constant curvature
On compact Riemannian manifolds with constant curvature
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常曲率紧黎曼流形
DOI:
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发表时间:
1961
期刊:
影响因子:
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通讯作者:
E. Calabi
中科院分区:
文献类型:
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作者:
E. Calabi
Rollers are opposingly disposed at a drawing-out port for a seat belt webbing which is drawn out from a retractor. When an impact load has occurred, both the rollers are turned to tightly hold the seat webbing therebetween. Thus, a surplus length which is ascribable to the elongation and tight winding of the webbing is prevented from being drawn out.