您要查找的是不是：
- Retardation factor is the ratio of groundwater velocity and contaminant velocity,which is a important parameter to calculate and assess contaminant migration in groundwater. 阻滞系数是表征地下水渗流速度与污染物迁移速度的比值,是计算和评价污染物在地下水中迁移行为的一个重要参数。
- That's rather an effective use of color. 这种使用颜色的手法效果相当好。
- In the short term, the medicine may not be very effective. 从眼前来看，这药可能疗效不是很大。
- field groundwater velocity 地下水实际流速
- average groundwater velocity 地下水平均流速
- When does the new system become effective? 新制度何时生效？
- true groundwater velocity 地下水实际流速
- The fear of ridicule is a very effective sanction. 人们不做违法乱纪的事，其中一个重要因素就是怕人耻笑。
- groundwater velocity 地下水流速
- Effective, punitive, or destructive action. 有效的行为有效的、惩罚的或破坏性的行为
- So that is your effective remedy. 原来那就是你们所谓的有效药物。
- I think you'll have to take effective steps. 我认为你得采取有效措施。
- Gentle persuasion is more effective than force. 温和的说服胜於压服。
- This country lacks an effective party of the centre. 这个国家缺少一个能起作用的中立党派。
- In using superheated steam, compounding becomes less effective. 使用过热蒸汽时，混合的效果就会减少。
- Commercial television is an effective medium for advertising. 商业电视是有效的广告宣传工具。
- Their efforts to improve the production have been very effective. 他们提高生产力的措施卓有成效。
- So far we have not find an effective way to cure aids. 我们迄今尚未找到治疗艾滋病的有效办法。
- The most effective water power in the world-women's tears. 世界上最有效的水力是－女人的眼泪。
- This car polish is an effective shield against rust. 这种汽车上光蜡很有防锈作用。
