同时也不同于常规的助听器，其是将空气传导的声音简单放大了再传入耳内。
It also differs from conventional hearing AIDS, which employ air conduction to simply turn up the volume of sound travelling into the ear.
声音通过钢的传导方式和在空气中的传导方式一样。
Sound is conducted through steel in the same manner as through air.
不久前，一个德国大学学生团队宣布他们研发出来一种小的能量空气动力飞行器，它能能从轨道的传导途径中汲取。
Not long ago, a team of German university students announced that they had created a small aerodynamic vehicle that draws power from conducting paths on a track.
空气、喷雾和传导冷却方案让它们可在恶劣的军事航空航天环境中部署运行。
Air -, spray - and conduction cooling build options are possible to allow deployment in the harshest military and aerospace environments.
这个主要取决于内外空气的温度差、绝缘层的类型和厚度以及传导面的面积。
It is dependent on the temperature differential between the inside and outside air, type and thickness of insulation, and the area of the conducting surfaces.
人类是利用空气及声波的传导，来沟通彼此的意念及想法，而这种能力本身，则是一套复杂且迷人的过程。
The ability to communicate arbitrary ideas through thin air via sound waves is a complex and fascinating process.
在传热模型中，除了考虑传导和对流换热外，也考虑了电池和空气进气管之间的辐射换热。
Radiation between cell tube and air feed tube and heat transfer by convection and conduction were also included in this model.
在传热模型中，除考虑传导和对流换热外，也考虑了电池和空气进气管之间的辐射换热。
Radiation between cell tube and air feed tube and heat transfer by convection and conduction was also included in this model.
在传热模型中，除了考虑传导和对流换热外，本文也考虑了电池和空气进气管之间的辐射换热。
The radiation between the cell tube and the air feed tube and heat transfer by convection and conduction are also included in this model.
其中，辐射及对流传递主要集中在玻璃上，传导传递主要在窗框及玻璃，而空气渗漏则大部分是由门窗结构不合理或密封材料品质不佳造成的。
The radiation mainly happens on the glass surface, and the transmission on the window frames and glass. The air leakage is mostly owing to the improper window structure or bad sealing.
它简化了木质部组分传导热流和热源与环境空气的对流热流的估算(从三对热电偶减少到一对)。
This method simplified consists essentially in simplifying the valuation of the thermal conduction flux in xylem components and that of the thermal convection flux from heat source to surrounding air.
对在一个各向同性、均匀的弹性球的具有恒定的热传导系数的球面上进行加热这一理想情况下，计算了陨星由于空气动力学加热而产生的热应力。
Thermal stress in meteoroids by aerodynamic heating is calculated for the ideal case of an isotropic, homogeneous, elastic sphere being heated at the surface with a constant heat transfer coefficient.
铜是最好的热传导体，其导热能力约为铁的7倍，铁的导热能力是水的100倍，而水的导热能力是空气的25倍。
Copper is the best conductor of heat, having about 7 times the conducting power of iron, while iron conducts 100 times as well as water, and water has 25 times the conductivity of air.
此装至可作各种不同的热传导实验，例如你可示范靠近地板的空气比靠进天花板的空气冷。
Can be used for a variety of experiments, for instance you could show how air near the floor is cooler than air near the ceiling.
分析表明系统中存在传导、对流及辐射传热，其中封闭空气夹层又存在层流自然对流。
The analysis demonstrates that the conduction, convection and radiation heat transfers occur in the system while the laminar flow and natural flow exist in the closed space.
目前的路基通风一般采用路基内预埋实体混凝土管或PVC管，管壁不能透风，主要通过管内空气流动和热传导方式达到冷却路基的目的。
At present, the ventilation pipes are generally made by concrete or PVC without holes on the pipe walls, whose cooling effects are realized by airflow and heat transference.
也 许人们会认为，人在夏天时更倾向于给脑子降温，但是，根据该理论，打哈欠得通过和较冷 的空气进行热传导才能降低人脑温度。
You may think people would tend to cool the brain by yawning more in summer. But according to the theory, yawning cools the brain via a heat exchange with cooler air.
也 许人们会认为，人在夏天时更倾向于给脑子降温，但是，根据该理论，打哈欠得通过和较冷 的空气进行热传导才能降低人脑温度。
You may think people would tend to cool the brain by yawning more in summer. But according to the theory, yawning cools the brain via a heat exchange with cooler air.
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