- barriers to infiltration
- "金山词霸2003法学大词典":
渗透壁垒
English-Chinese law dictionary (法律英汉双解大词典). 2013.
barriers to infiltration
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Nonwovens — are textiles which are neither woven nor knit, such as felt. General use hyphenates the word, but industrial use spells it as one word. Non wovens are typically not strong (unless reinforced by a backing or densified). In recent years, non woven… … Wikipedia
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Separation barrier — A separation barrier is a wall or fence constructed to limit the movement of people across a certain line or border, or to separate two populations. These structures vary in placement with regard to international borders and topography. The most… … Wikipedia
river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… … Universalium
environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations … Universalium
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international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… … Universalium
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