They are one of the most popular types of battery for portable electronics, with one of the best energy-to-weight ratios, no memory effect, and a slow loss of charge when not in use.
他们是在便携电子产品领域中最流行的一种电池类型，具有最好的能重比，没有记忆效应，并且在不使用的情况下，充电损失比较慢。
This effect will not be universal, since many schemes specify the RPI as the index to use when uprating pensions.
这个影响会是普遍的，因为许多方案把零售物价指数(RPI)指定为提高养老金的参考指数。
The slippers in common use by wearers do not have the luminous effect, so the wearers are difficult to find the slippers when getting up at night.
我们平常穿的拖鞋是不会发光的，晚上起床时很难找到拖鞋。
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