良好天气工作日，周日和节假日除外，除非已使用，但仅按照实际使用时间计算。
WWD Sunday and Holiday excepted, unless used, but only time actually used to count.
从使用情况方面来看，导航仪的屏大电量相对较大，同时也受增大音量，开启音场特效，频繁操作等因素影响，实际使用时间也会有一定差异。
In addition, affected by the volume increase, sound field special effects, and other factors such as frequent operation, the actual duration may be different from specified one to a certain extent .
存储介质同电力供应与成像质量无关，但同实际使用有关，两者都会影响总体成本和连续使用时间。
Storage medium with power supply and imaging quality has nothing to do, but with actual use relevant, both will affect the overall cost and continuous use time.
存储介质同电力供应与成像质量无关，但同实际使用有关，两者都会影响总体成本和连续使用时间。
Storage medium with power supply and imaging quality has nothing to do, but with actual use relevant, both will affect the overall cost and continuous use time.
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