life的例句大全

The maximum likelihood function of varying stress accelerated life is a nonlinear multi-dimension complex object function with five evaluated parameters, whose parameter estimation is easy to get into local optimization with grads descending algorithm while has low searching efficiency with global optimal algorithm.

变应力加速寿命试验的极大似然函数是高维非线性复杂目标函数，其待估参数多，采用梯度下降优化方法进行参数估计容易陷入局部极值，而采用全局优化方法又存在寻优效率低的问题。

One method solving parameter estimation of varying stress accelerated life test

一类解决变应力加速寿命试验参数估计的方法

All my life I have set ahead of is a series of goals and then tried to reach them, one at a time.

我这一辈子给自己树立了一系列目标，然后努力去达到，一次一个。

Her career as a writer ensured that she could spend her life indoors and still get things done.

她是一名作家，这让她可以足不出户就能把事情做好。

The best thing you can do to make sure your cat lives a long life is keep her indoors.

最好的事情你可以做，以确保您的猫的生命是一个长期的生活让她在室内。

Elderly mental worker in community enjoyed a higher life quality in all aspects than elderly laborers, and the differences were distinctly different ( P < 0.01).

社区老年人中脑力劳动者生活质量的各领域评分高于体力劳动者（P<0.01）；

With the rise of new media, the third age of political communication becomes an important pow-er influencing political life.

以新媒介的崛起为标志，第三代政治传播成为影响政治生活的重要力量。

After saving the life of a wolf cub and raising it in secret, Chen becomes captivated by the ferocious, agile and intelligent creature.

一次，陈阵救了一只小狼崽，并悄悄将它收养，从此变得对狼非常着迷，深深地爱上了这种凶猛、敏捷而又充满智慧的动物……

Modern science and technology as a double-edged sword, it has greatly enriched our material life, but also bring about the crisis of the ecological balance and the spirit balance.

现代科学技术如一把双刃剑，它极大地丰富了我们的物质生活，但也使人类惟一赖以生存的地球面临着生态失衡的危机，伴随而来的是人类精神生态的失衡。

On the one hand, Globalization, together with science and technology, ensured the rapid advancement of productivity and enriched our material life. On the other hand, it also caused a series of social problems.

全球化和科学技术共同推动生产力的迅速发展，在使我们的物质生活变得异常的丰富同时，也引发一系列社会问题。

Fatigue Crack occurs under repeated action of load, features map cracking with longitudinal crack ( generally deformation is not distinguished), and occurs mainly late in the service life of pavements.

荷载作用产生的裂纹主要是指荷载反复作用引起的疲劳裂纹。

The remain life time of the combustion engine depends on the wear extent of the cylinder liner, piston, crank bearing and crank principal bearing of the combustion engine.

内燃机使用寿命主要取决于缸套、活塞、曲轴轴承等主要磨损件的磨损程度。

A crankshaft, a key part of automotive engine, can influence the quality and life of an automobile.

曲轴是汽车发动机关键零件之一，其性能直接影响汽车的质量和寿命。

Those who still linger on the entrance of life, hesitating to choose the bright road, remember that when years are passed and your feet stumble on the dark mountains, you will cry bitterly, but in vain:

在人生路口徘徊，不知该不该选择光明大道的年轻人啊，你们千万要记住：当你青春已逝，双足在黑暗的群山中举步维艰，跌跌撞撞之时，你才痛心疾首地呼唤：

The copper crucible for 25 kg vacuum skull furnace is systematically studied. The various factors effecting on the copper crucible failure are analyzed and discussed. The effective methods of elongating the service life of the copper crucible is indicated.

对25kg真空凝壳炉用紫铜坩埚进行了系统研究，分析和讨论了影响紫铜坩埚损坏的各种因素，提出了延长紫铜坩埚寿命和提高坩埚利用率的有效方法。

In order to improve the working life of stone crusher hammers, the good and cheap low-alloy steel hammers were successfully developed through a numbers of productive tests and industrial tests.

为提高石料破碎机锤头的使用寿命，经过多次试验摸索和现场工业性试验，成功研制出价廉物美的低合金钢锤头。

If this low-alloy bainite cast steel to making the jaw of ore crusher or the liner of ore mill is used, their service life is 1.5~ 2.5 times longer than that of the jaw or liner making from high manganese steel;

这种材料用于制造矿石破碎机的鄂板和研磨矿粉的磨机衬板，其使用寿命比高锰钢提高1.5～2.5倍；

With Step-quenching bright oil DF-S, the martensite step-quenching test for bearing component has been made. The test results show that the oil may significantly reduce the deformation and stress, increase crushing load of the steel ball and service life of the bearing.

采用DF-S油对轴承零件进行马氏体等温淬火试验，证明该淬火油可以显著降低变形和应力，提高钢球的压碎载荷及轴承的使用寿命。附图3幅，表3个。

The fatigue life-spans of specimens after dehydrogenization heat treatment and crystallization heat treatment are all decreased observably, which is caused by the tension internal stress.

经过除氢热处理和晶化热处理的试样的疲劳寿命，与基底试样和镀态试样相比都显著降低，而热处理后试样疲劳强度的降低是由于镀层的内应力引起的。

The experimental results proved that ( 1) there is an additional cyclic strain hardening effect caused by non-proportional loading, and ( 2) the relative orientation between maximum shear plane and free surface plays significant role on fatigue life.

非比例加载引起的附加循环硬化；（2）最大剪切平面与自由表面相对取向对疲劳寿命的影响；