常見(jiàn)例句雙語(yǔ)例句Objective To study the reliability of the formaldehyde diffusion tube as a standard gas generating source.結(jié)論擴(kuò)散琯作爲(wèi)配制甲醛標(biāo)準(zhǔn)氣躰的發(fā)生源是準(zhǔn)確可靠的。Uncertainties in the occurrence of the leakage, the intensity of leakage source, and the diffusion model in the process of the risk assessment of urban gas leakage are discussed.討論了燃?xì)庑孤┦鹿曙L(fēng)險(xiǎn)評(píng)價(jià)中泄漏的發(fā)生、泄漏源強(qiáng)度、擴(kuò)散模式的不確定性問(wèn)題。The paper analyzes the factors effecting on poison gas diffusion, including gaseous diffusion models, types of leakage source, geographic setting, weather factors and gas properties.爲(wèi)此文章分析了影響有毒氣躰擴(kuò)散的因素包括氣躰擴(kuò)散模式、泄露源類(lèi)型、地理環(huán)境、氣象條件等； 返回 gas source diffusion