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High purity aluminum or allumen (including 1% Zn, mass fraction) alclad on 2024 aerolite is usually employed for improving corrosion resistance. This alclad will greatly impact the mechanical properties of friction stir welded joint.

为提高2024航空铝合金材料的抗腐蚀性能，在其表面通常包有一层高纯铝或含Zn 1%的锌铝合金，包铝层在搅拌摩擦焊时会对接头的性能产生较大的影响。

The influence of the temperature and relative humidity upon aerosol mass concentrations distributions has been discussed.

从理论上分析了温度和相对湿度对气溶胶质量浓度分布的影响。

Under the precondition of above analyses, this research compares the meteorite-stricken cases in planets and secondary planets of solar system, the "shielding" and "eroding" effect in aerosphere, the scale of small planets and movement rules, then briefly analyzes the basic reason of mass meteorite-stricken events occurred in earth history.

在上述分析的前提下，本研究从太阳系有关行星和卫星表面陨击现象对比，大气层的"遮蔽"和"侵蚀"作用，小行星的规模及运动规律等方面简要分析了地球历史上大规模陨击事件发生的基本原因。

Due to rotation characteristics of spindle and definite parameterized structure of aerostatics lubricated bearing ,mass-spring structural method equivalent to aerostatics bearing system was introduced and system main coordinates and inherent frequency were obtained by establishing dual movement equation.

针对气体静压主轴的运动特性和气体静压润滑轴承的参数结构，提出了采用质量-弹簧结构方法来等效气体静压轴颈轴承系统，并建立了系统二自由度运动方程，最终确定了系统的主坐标系和固有频率。

Research has found that the mass media has the biggest impact on those with no political affiliation.

研究发现，大众传媒的影响最大对那些没有政治背景。

What tremendous interest drive place brings up is the act blindly of opportunistic locust, as in those days the great mass fervor such as website, SP is same, countless investor are in 2007 afflux wireless advertising gate.

巨大的利益驱动所造就的是机会主义蝗虫的盲动，就如同当年的网站、SP等热潮一样，无数投资者在2007年涌进了无线广告的大门。

In addition, mass loss rate was not the only parameter influencing heat release rate in cone calorimeter for agaric.

同时，木耳的质量损失速率不是影响其热释放速率的惟一因素。

Results The ages of peak mass of BMD of forearm and lumbar spine were in 30-39 age-group for both male and female.

结果 男、女前臂和腰椎峰值骨量均为30-39岁，股骨颈、Ward区峰值骨量均为20-29岁。

Agenesis of the Corpus Callosum - A huge mass of fibers interconnect the two hemispheres of the human brain.

一团巨大的神经纤维连结着人脑的两个半球，称为胼胝体。

A small mass of tissue or aggregation of cells.

在特定位置内来往的车辆的集合体。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。