Is lycra a fiber that clothes are completely made form?like...say cotton or...wool?

Is lycra a fiber that clothes are completely made form?like...say cotton or...wool? Fiber 怎么翻译culture is a deeply ingrained part of the very fiber of our being,a it is a lot of fun to play with tha panda .同义句转换______ ______it is to play with tha panda . 一道有关光学的计算题The refractive index of core and cladding for a 1km length single mode fiber is 1.47 and 1.45 respectively.The time taken for the light to travel in this fiber is It is a new term used to describe that Fiber optic cable replaces .本句语法上有错吗?FTTH is short for Fiber To The home.It is a new term used to describe that Fiber optic cable replaces the standard copper wire of the local telco.本句语法 Penitence is something that evervates our spirit.causing a greater loss tha 9.The population of China is much _______ of Japan.A.more than B.bigger than that C.bigger tha 选择Is your name Brown?A.Yes,ie isB.Yes,I amC.Tha's right!说明原因！ Difficult _______ the problem is,we should try to work it out.A.however B.as C.although D.tha The house___doors and windows are all closed is for sale.A.which B.whose C.in which D.in tha 英语翻译Optical fiber (or “fiber optic”) often refers to the medium and the technology associated with the transmission of information as light pulses along a glass or plastic wire or fiber.Optical fiber carries much more information than con fiber optic prebiotic fiber fiber cable fiber是什么意思 化工翻译if the fiber is desorbed in a solvent different than mobile phase ,switch the valve to the LOAD position ,fill the valve desorption chamber with the solvent, and allow the fiber to soak in the solvent (statc mode)for a minimum of 15 minut there is considered ___ no risk.A.to have been,B,tha it is,C.to having been D.that it was