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- Retardation factor is the ratio of groundwater velocity and contaminant velocity,which is a important parameter to calculate and assess contaminant migration in groundwater. 阻滯系數是表征地下水滲流速度與污染物遷移速度的比值,是計算和評價(jià)污染物在地下水中遷移行為的一個(gè)重要參數。
- That's rather an effective use of color. 這種使用顏色的手法效果相當好。
- In the short term, the medicine may not be very effective. 從眼前來(lái)看，這藥可能療效不是很大。
- field groundwater velocity 地下水實(shí)際流速
- average groundwater velocity 地下水平均流速
- When does the new system become effective? 新制度何時(shí)生效？
- true groundwater velocity 地下水實(shí)際流速
- The fear of ridicule is a very effective sanction. 人們不做違法亂紀的事，其中一個(gè)重要因素就是怕人恥笑。
- groundwater velocity 地下水流速
- Effective, punitive, or destructive action. 有效的行為有效的、懲罰的或破壞性的行為
- So that is your effective remedy. 原來(lái)那就是你們所謂的有效藥物。
- I think you'll have to take effective steps. 我認為你得采取有效措施。
- Gentle persuasion is more effective than force. 溫和的說(shuō)服勝於壓服。
- This country lacks an effective party of the centre. 這個(gè)國家缺少一個(gè)能起作用的中立黨派。
- In using superheated steam, compounding becomes less effective. 使用過(guò)熱蒸汽時(shí)，混合的效果就會(huì )減少。
- Commercial television is an effective medium for advertising. 商業(yè)電視是有效的廣告宣傳工具。
- Their efforts to improve the production have been very effective. 他們提高生產(chǎn)力的措施卓有成效。
- So far we have not find an effective way to cure aids. 我們迄今尚未找到治療艾滋病的有效辦法。
- The most effective water power in the world-women's tears. 世界上最有效的水力是－女人的眼淚。
- This car polish is an effective shield against rust. 這種汽車(chē)上光蠟很有防銹作用。
