张力丝，由中间纤维结合蛋白(intermediate filament-associated protein ,IFAPs)将中间纤维相互交联成束状的结构称作张力丝。
FGF2可减少肌动蛋白张力丝的形成以及移行细胞的形态，但对细胞增殖没有作用。
FGF-2 action resulted in reduced actin stress fiber formation and migratory cell morphology, with no effect on cell proliferation.
钢琴设计师们平衡琴丝的张力和刚度，但也同时考虑了许多其他的因素。
Piano designers balance tension and stiffness of music wire, but many other factors are considered as well.
在钢琴最初出现的18世纪早期，铁被用于制造琴丝，但是这种材料的张力和强度限制了其在发高音时的能力，佐丹奴说。
During the piano's genesis in the early 1700s, iron was used to make music wire, but the material's tension and strength limited its ability to produce loud sound, Giordano said.
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