您要查找的是不是：
- Modern medicine has increased man's life span. 现代医学延长了人的寿命。
- Normal cells show a finite life span. 正常细胞显示有限的生命期。
- Modern medicine has increased man rs life span. 现代医学延长了人的寿命。
- The estimated life span is to predict the average. 估计寿命是预计一个人能活的平均年数。
- How Much Can Human Life Span Be Extended? 人类的寿命能延长到多久?
- Narwhals maximum life span is about 50 years. （寿命：独角鲸的最大寿命大约为50年。）
- Eating more fruit can extend your life span. 多吃水果能延年益寿。
- The average life span for the nominee group was just over 76 years. 提名者小组的平均寿命略高于76岁。
- At one time, the human species had a 2000-year life span. 曾有一段时期，人类物种拥有2000年（人类年）的寿命。
- LIFE SPAN Narwhals maximum life span is about 50 years. 寿命:独角鲸的最大寿命大约为50年。
- Any battery has a finite life span no matter what device it powers. 任何电池都具有有限的寿命，无论它具有多大的能量。
- The upper bound of life span for the solution was obtained. 得到了解的爆破时间跨度的上界。
- This is why we make the statement that we will extend the equipment life by another 25-30 yr. 这就是为什么我们做声明, 我们延长设备生活将由另外25-30 年。
- But two copies doom the bearer to pain and a shortened life span. 但同时带有两个突变的基因，却会让个体疼痛并且寿命减短。
- A typical life span for Sumatran orangutans is 40 to 50 years. 苏门答腊猩猩的平均寿命在40到50岁。
- The average dollar bill has a life span of about 18-22 months. 美元纸币的平均寿命是大约18-22个月。
- The superior anti-corrosion, anti-rust, anti-oxidation and water separation performance, extend equipment life time and the use of oil. 优越的防腐、防锈、抗氧化和水分离性能，延长设备使用寿命和油品的使用时间。
- Around equipment life time cycle flow, on the foundation of solution business main problem, establish the equipment management system of DK Company. 围绕着设备全寿命管理的运行流程，在解决企业主要问题和的基础上，构建了DK企业的的设备管理体系。
- The life span of the people of Ningxia has increased to 69 from 30 before 1949. 宁夏人均寿命由1949年前的只有30岁左右,增加到目前的69岁。
- In the traditional acceleration and deceleration control method, the vibration caused by acceleration discontinuity affects the machining quality and equipment life. 摘要传统的加减速控制方法由于加速度的不连续性，易使机床产生冲击，影响零件加工质量和机床使用寿命。
