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total potential energy provided by a power source
电压, 伏特数
an electrical component designed to limit or control the flow of electric current in a circuit, typically by providing resistance
电阻器, 电阻
the complete circle through which an electric current flows, typically consists of the source of electric energy
电路
a solid substance that conducts electricity or heat better than insulators, but not as well as most metals
半导体, 半导体材料
a phenomenon where certain materials conduct electricity without resistance when cooled to extremely low temperatures
超导性, 超导电性
to apply an electric charge to a conductor
通电, 充电
a conductor through which electricity travels to or from an object, such as batteries
电极, 电导体
a positively charged electrode in an electrical device where oxidation occurs, resulting in the release of electrons
阳极, 正电极
a negatively charged electrode within an electrical device, from which electrons flow out into the external circuit
阴极, 负极
a form of electricity generated by friction between two materials, resulting in an imbalance of electric charges on their surfaces
静电, 静电学
(of a battery or device) capable of being supplied with electrical power again
可充电的, 可再充电的
a machine that produces electricity by converting mechanical energy into electrical energy
发电机, 交流发电机
a device that converts the energy of the sun into electricity
太阳能电池, 光伏电池
the energy transmitted in the form of particles or waves through the space or a matter
辐射, 放射
related to the technology that turns sunlight directly into electricity
光电的, 与将阳光直接转化为电力的技术有关的
referring to the combined interaction of electric and magnetic fields, often associated with waves or radiation
电磁的, 与电磁场有关的
an invisible area around a magnetic object where magnetic forces can attract or repel other objects
磁场, 磁区
a long rigid bar that is put under a heavy object in order to move it
杠杆, 撬棍
the rapid back-and-forth movement of an object
振动, 震动
a point or support on which a lever pivots or rotates in order to lift or move objects
支点, 杠杆支点
a rotational force measured in newton-meters or foot-pounds
扭矩, 转矩
a measure of a spring's stiffness, indicating how much force is needed to stretch or compress it
弹簧常数, 弹簧刚度
a mass used to provide balance to another mass
配重, 平衡重量
having a speed greater than that of sound
超音速的, 超声的
the study of the design, development, and operation of aircrafts, focusing on principles of aerodynamics, propulsion, and material science
航空, 航空学
(physics) the increase in velocity over time
加速度, 速度的增加
the constant speed reached by a falling object when the drag force equals the gravitational force pulling it downward, resulting in no further acceleration
终端速度, 极限速度
relating to the transmission or control of fluids under pressure within confined systems or machinery
液压的, 与液压有关的
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