三星电池.3.7V 4.

jordanm232022-10-04 11:39:541条回答

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盲蝶哑香共回答了29个问题 | 采纳率82.8%: 表示3.7v时候的功率为4.4WH.
锂电池的最大特点是比能量高.什么是比能量呢?比能量指的是单位重量或单位体积的能量.比能量用Wh/kg或Wh/L来表示.Wh是能量的单位,W是瓦、h是小时；kg是千克(重量单位),L是升(体积单位).这里举一个例来说明：5号镍镉电池的额定电压为1.2V,其容量为800mAh,则其能量为0.96Wh(1?2V×0?8Ah).同样尺寸的5号锂－二氧化锰电池的额定电压为3V,其容量为1200mAh,则其能量为3.6Wh.这两种电池的体积是相同的,则锂－二氧化锰电池的比能量是镍镉电池的3.75倍!; 1年前

英语三星笔试题目1.Jack showed me_____.A.some coins of him B.some coi 英语三星笔试题目 1.Jack showed me_____. A.some coins of him B.some coins of his C.the coins of his D.some his coins 2.Grandma's _______is the best in the town. A.rose garden B.rose's garden C.roses garden D.roses'garden 3.We like________. A.Miss Smith's physics lesson B.Miss Smith physics lesson C.Miss Smith's physics'lesson D.Miss Smith's physicses lessons 4.-Would you like _______? -No,thanks. A.a few much cheese B.a little much cheese C.a few more cheeses D.a little more cheese 5.Many________about popular stars were not ture. A.newses stories B.news story C.news stories D.stories of news monsinja1年前2: 一只会唱歌的蜗牛共回答了17个问题 | 采纳率82.4%

BAADC 1.AD首先排除,语法不通,C应该去掉“the ”2 ,3和5为名词动用修饰名词.和 shoe shops （鞋店）一样表达 4考察cheese为不可数名词

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