气味物质分子在空气中扩散，通过嗅细胞进入大脑，而产生对气味的识别。
The spread of flavoring substance molecules in the air and its entry to people 's cerebrum through olfactory cells finally developed the recognition of different flavor.
二维网格线作为轨迹在空气中扩散和膨胀，形成了用最小的轻质材料创造的庞大空间。
A 2d network of lines as a footprint inflates and expands in the air, resulting in a voluminous space created with minimal lightweight material.
他认为，对于身处干燥环境中的细菌来说，分子不易在菌落之间进行扩散，而空气中的氨就可以作为一重要的营养源的指示信息。
He proposes that for bacteria living in a dry environment, where molecules could not easily diffuse between colonies, airborne ammonia could serve as an important indicator of nitrogen sources.
尽管大部分气溶胶在空气中悬浮的时间很短，基本上在4天到一周之间，但是它们能扩散到很大的范围。
Although most aerosols remain suspended in the air for just short periods-typically between four days and a week-they can travel vast distances.
研究结果表明，在正常生理条件下，皮肤从空气中通过扩散输运所获取的氧仅限于表皮角化层，而不能到达表皮生发层。
Results from our model revealed that oxygen uptake by diffusion from the air, under normal conditions, was limited to the out most layer of the skin and did not penetrate beyond the germinal layer.
这第三次的叩声，在冷空气中扩散开来，格外地响，颇带些凄厉的气氛。
This third time, the knocking seemed to spread through the cold air, more penetrating than ever, bringing with it a sense of mournful desolation.
在调试成功的程序上对甲烷和空气在大加速度场中的扩散燃烧过程进行了数值模拟。
On the basis of the successfully debugged program a numerical simulation of the diffusion combustion process was performed of methane and air in the high acceleration field.
在调试成功的程序上对甲烷和空气在大加速度场中的扩散燃烧过程进行了数值模拟。
On the basis of the successfully debugged program a numerical simulation of the diffusion combustion process was performed of methane and air in the high acceleration field.
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