Speed-power E product 速度功耗乘积
E-Power 电力驱动 ; 手摇充电器 ; 纯电动
Active e power 有功功率
e power 厂用电
absorptive e power 吸收能力 ; 吸收本领
reactive e power 无功功率
class-E power amplifier E类功率放大器
class E power amplifier E类功率放大器
The bracelet uses a low-power e-ink screen and the designers claim the device will last a year on a single charge.
手镯使用低能耗的电子墨水屏,设计者称,该手镯充电一次可使用一年。
The only Confederate power that remained was the army of General Robert E.Lee.
VOA: special.2009.12.03
You see the difference in electronegativity, square it, multiply it by one-quarter and raise that to the power e.
你看到了电负性的差异,开方,乘以四分之一,在移到e上去做指数。
E to the power of minus one-quarter times the difference in electronegativity squared.
指数是四分之一,把他乘以四分之一,在移到e上去做指数。
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