其综合作用结果之一就是有可能形成有利于某些元素沉积、固定的特殊环境，即形成地球化学屏障。
As a result, special environment that is of advantage to deposit and fix some elements has formed, which is called geochemical barrier.
通过固定式及活动式声屏障的设计，分析了室内声屏障的技术特点和经济效益。
The technical characteristics and economic merit of indoor sound barrier was analyzed according to the design based on the fixed type and movable type barrier.
贴树梢飞行的WZ-10的主要任务是战场屏障、消灭敌人的固定及移动目标，还包括一定的空战能力。
The primary mission for the treetop hugging WZ-10 is battlefield interdiction, eliminating the enemy ground fixed and mobile forces, and concurrently certain air combat ability.
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