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占有最大的市场份额，在价格变化、新产品开发、分销渠道建设和促销战略等方面对本行业其它公司起着领导作用的竞争者，被称为( )
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A resistor is a two-terminal electronic component that resists the flow of electrical current.
The current flowing through a resistor is directly proportional to the voltage across the resistor’s terminals. This relation is represented with a well-known Ohm’s law: V = I×R.
Color bands are usually used to represent the resistance value. The first and second band represent the numerical value of the resistor, the third band specify the power-of-ten multiplier.
A capacitor is an electronic component consisting of a pair of conductors separated by a dielectric. A capacitor can store electrical charge in an electrical field.
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