一种优质棉纤维，多光泽，尤其用做里衬式书的装订线。
A fine cotton fabric, usually glazed, used especially for linings and in the bindings of books.
叉式多针系列缝合器是一种多针头、多针型、可换针、并采用环式挂线法穿线的缝合器械。
This series of forked suturing device is designed for surgical use matching many needles and. multiple shaped needles. It is capable of changing needles with method of round threaded.
本文以某多跨悬链线空腹式拱桥为工程背景，以大型有限元分析软件ANSYS为平台，对该桥进行地震反应分析。
In this thesis, choosing the commonly used multi-span empty arch bridge as project background. carry out the seismic response with the finite element analysis software ANSYS.
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