| 单词 | 绝缘体 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔R-value〕A measure of the capacity of a material, such as insulation, to impede heat flow, with increasing values indicating a greater capacity.R值：度量材料（如绝缘体）的拉热流能力的单位，R值越大，说明拉热流能力越强美国传统〔Thiokol〕A trademark used for any of various polysulfide polymers in the form of liquids, water dispersions, and rubbers used in seals and sealants.聚硫橡胶：以液态、水喷雾及用作绝缘体或密封剂的橡胶的形式存在的各种多硫聚合物的商品名美国传统〔breakdown〕Electricity The abrupt failure of an insulator or insulating medium to restrict the flow of current.【电学】 击穿：绝缘体或绝缘介质突然无法制止电流通过美国传统〔ferroelectric〕Of or relating to a crystalline dielectric that can be given a permanent electric polarization by application of an electric field.铁电体的：一种可通过电场的作用获得永久电磁性的透明的绝缘体的或与此有关的美国传统〔insulant〕A material used for insulation; an insulator.绝缘材料：用于绝缘的材料；绝缘体美国传统〔insulator〕A material that insulates, especially a nonconductor of sound, heat, or electricity.绝缘体：绝缘材料，特别是声、热、电的非导体美国传统〔insulator〕Generally, plastics tend to be good insulators.一般说来，塑料往往是很好的绝缘体。剑桥高阶〔insulator〕Metal is not a good insulator.金属不是好的绝缘体。韦氏高阶〔insulator〕Porcelain is an effective insulator.瓷是一种有效的绝缘体。英汉大词典〔insulator〕Wood is an excellent insulator.木材是很好的绝缘体。朗文当代〔standoff insulator〕An insulator used to support a conductor a specified distance from a surface.绝缘体：用来使一个导体与表面隔离一段距离的隔离物美国传统〔standoff〕A standoff insulator.绝缘体美国传统〔static electricity〕An accumulation of electric charge on an insulated body.静电：绝缘体上电荷的积聚美国传统〔static electricity〕Electric discharge resulting from the accumulation of electric charge on an insulated body.静电荷：在绝缘体上由于静电作用产生的静电荷美国传统〔varactor〕A semiconductor device in which the capacitance is sensitive to the applied voltage at the boundary of the semiconductor material and an insulator.变容二极管，可变电抗器：一种半导体装置，其中电容对应用在半导体材料和绝缘体边界线处的电压很敏感美国传统Generally, plastics tend to be good insulators.一般说来，塑料往往是很好的绝缘体。剑桥国际Rubber insulation is used to deaden the vibrations of the motor.橡胶绝缘体被用来减少马达的震动。剑桥国际 |
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