通常，在设备的使用寿命期间，可以多次更新这些固件。
Typically, such firmware may be updated several times during the lifetime of the device.
在油气资产的使用寿命内，油气资产弃置义务采用实际利率法确定各期间应承担的利息费用。
Interest expenses from the assets retirement obligations for each period are recognised with the effective interest method during the useful lives of the related oil and gas properties.
如何减少施工早期裂缝，防止使用期间路面裂缝，提高水泥砼路面的使用寿命是大家共同关注的问题。
How to reduce the construction early cracks and prevent cracks in the road during use to improve the service life of concrete pavement are of common concerns.
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