high/low resistivity
修饰电阻率的高低。
Copper has low resistivity.
铜的电阻率低。
电阻率
热阻率；给定材料在单位长度立方体中的电阻,以欧姆·米(Ωm)为单位；热导率的倒数,SI单位为米·开尔文·瓦特−1；抵抗力；电阻系数；[化] 电阻率
A measure of how strongly a material opposes electric current, equal to the resistance of a unit cube of the material at a given temperature, expressed in ohm-metres.
给定材料在单位长度立方体中的电阻,以欧姆·米(Ωm)为单位
The resistance offered at a particular temperature by an electrical conductor of any given material in a cube of unit length, expressed in ohm-metres (Ωm) in the metric system of measurement.
热导率的倒数,SI单位为米·开尔文·瓦特−1
The reciprocal of thermal conductivity, having SI unit: m K W−1
The resistivity of copper is very low, making it an excellent conductor.
铜的电阻率非常低，使其成为优良的导体。
用法提示：resistivity 为名词，在此句中表示材料的电阻率，指阻碍电流流动的特性。
Engineers must consider the resistivity of soil when designing grounding systems.
工程师在设计接地系统时必须考虑土壤的电阻率。
用法提示：resistivity 为名词，表示土壤的电阻率，用于工程设计。
Different materials have different resistivities, which affects their use in electronics.
不同材料具有不同的电阻率，这影响它们在电子设备中的应用。
用法提示：resistivities 为名词复数形式，表示多种材料的电阻率。
修饰电阻率的高低。
Copper has low resistivity.
铜的电阻率低。
表示某物质的电阻率。
The resistivity of silicon decreases with temperature.
硅的电阻率随温度升高而降低。
测量电阻率的常见搭配。
We measured the resistivity of the sample.
我们测量了样品的电阻率。
grammar · medium
易错句子This material resists electricity very well.
正确表达This material has a very high resistivity.
动词 'resist' 表示‘抵抗’，但 'resistivity' 是名词，表示材料对电流的电阻率。应使用 'have a high resistivity' 或 'high resistivity' 来表达材料特性。
grammar · medium
易错句子The resistance of copper is 1.68 × 10⁻⁸ ohm-meters.
正确表达The resistivity of copper is 1.68 × 10⁻⁸ ohm-meters.
'resistance'（电阻）是具体导体的阻碍，而 'resistivity'（电阻率）是材料本身的固有属性。两者单位不同，此处应用 resistivity 表示材料常数。
电阻率是材料固有特性，与形状无关；电阻是具体物体的整体阻碍，取决于材料、长度和截面积。
电阻率是材料的物理量；电阻器是用于提供特定电阻值的电子元件。
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