ambient gas meaning in English

周围气体

When a massive proto-star approaches the main sequence, its surface temperature is low and it can not ionize the ambient gas .
当一个大质量原星接近主星序时，它的表面温度是低的，因而不能电离周围的气体。
The study of burning under the influence of small amplitude disturbances in ambient gas is a logical starting point for understanding the unsteady burning phenomena .
在周围气体小振幅扰动的影响下的燃烧研究，是了解非稳态燃烧现象合乎逻辑的起点。
Different source materials were used and the ambient gas was adjusted to study their influences on zno products
实验中通过采用不同的反应源以及改变反应时氧气的相对含量来研究这些因素对氧化锌产物的影响。