1.
Effects of nitrogen fertilization on fine root lifespan of Fraxinus mandshurica and Larix gmelinii
氮肥对水曲柳和落叶松细根寿命的影响
2.
Distribution of Fine Root Longevity for Manchurian Ash and Davurian Larch in Plantation Forest;
水曲柳和落叶松人工林细根寿命统计分布类型研究
3.
A single strand lives for up to seven years.
一根头发的寿命可长达7年。
4.
life expectance
(根据概率统计求得的)预期[估计]寿命
5.
actual life
有效寿命,实际寿命
6.
Does the Supplier have provisions for life / qualification testing?
供应商是否有使用寿命/性能测试的细则规定？
7.
Fatigue Life Prediction for Fine Pitch Device Soldered Joints Based on Creep Model
基于蠕变模型细间距器件焊点疲劳寿命预测
8.
According to the values of the life time of positron annihilation, the model of positron annihilation in the rare-earth polyacetylene was proposed.
根据寿命值和强度提出了正电子在稀土聚乙炔中的湮没模型。
9.
The depths of scratch are50μ m and100μ m.
根据计算结果，采用名义应力法对紧固孔的疲劳寿命进行了估算。
10.
It is based on the length of time citizens are expected to live, their education level and the amount of money they earn.
衡量的标准是根据人民期望的寿命长度、教育水平以及收入而定。
11.
The Pervading Layer of the Atomic Nucleus,the Action Among the Nucleon and the Mechanical Roots of Decrease Progressively of the Heavy Elemental Lifetime
关于原子核的弥散层、核子间的作用和元素寿命递减的力学根源
12.
mean time to failure
平均寿命时间（MTTF）
13.
if their lives are not unduly long, it is not because they are disinclined to longevity.
无余命，非恶寿也。
14.
A Deutsche Bank-style extensionto 60 years would allow the veteran plants to purr on beyond 2030.
根据德国银行研究得出的延长寿命到60年将使老电厂的生命延续到2030年。
15.
High luminous efficacy, average life-span 8000 hrs.
高光效，长寿命，平均寿命长达8000小时。
16.
Narwhals maximum life span is about 50 years.
（寿命：独角鲸的最大寿命大约为50年。）
17.
Analysis of Economic Life-span in the Management of Total Life of Weapon Equipment;
武器装备全寿命管理中经济寿命分析
18.
Friction can be considerably reduced and the life of the machine prolonged by careful lubrication.
仔细润滑机器，能大大减少磨擦而延长机器的寿命。