mean life〔名词〕平均寿命,平均寿命,平均使用期限详细»
平均寿命average lifetime;mean lifetime详细»
平均寿命average life;average lifetime;mean life;mean lifetime详细»
平均寿命average life;expectancy of life;expectation of life;mean length of life;average life span;life expectancy;mean life;mean lifetime;average time of life详细»
平均寿命average life;mean length of life;mean life详细»
平均寿命average life;expectancy of life;expectation of life;mean length of life;average life span;life expectancy;mean life;mean lifetime;average time of life详细»
平均寿命average length of life;average life;average useful life;mean lifespan;mean lifetime详细»
平均寿命average life;expectancy of life;expectation of life;mean length of life;average life span;life expectancy;mean life;mean lifetime;average time of life详细»
平均寿命mean life;mean lifetime详细»
平均寿命average life;average useful life详细»