charging battery to safe level 充电电池的安全水平 ; 充电电池的安全级别 ; 充电电池
level charging 梯段装药
service-level charging 服务类型计费
Companies have attempted wireless charging in the past, but it has not been on the level the WiTricity hopes to achieve.
许多公司过去都曾尝试过无线充电,但并未达到WiTricity希望实现的水平。
There are even discussions at national level, e.g. in the UK and Germany, on extending congestion charging to all roads.
在某些国家,如英国和德国,正在讨论在所有道路上收取拥堵费的问题。
Notice that as the battery level approaches 100%, the charging current gradually decreases.
要注意的是,随着电池电量达到100%,充电器的电流逐渐减少。
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