It would be beneficial to review the fundamental theory of electrostatics . 因此有必要对静电的基本理论作一简介。
They compete with beneficial vegetation for space, nutrients, and water . 它们与有益的植物竞争空间，营养和水分。
Privatization is thought to be beneficial in that it promotes competition . 私营化因其促进相互竞争被认为是有益的。
Basic discoveries in science will produce new beneficial technologies . 各种基本的科学发现将产生各种新的有利可图的技术。
We believe that this is not only an inevitable trend, but one that will prove beneficial . 我们相信这不仅是不可避免的，而且也将证明是有利的。
A common method of creating a beneficial residual stress pattern is by peening the surface . 一个产生有盖的残余应力模型的常用方法是向材料表面喷丸。
It may also have one beneficial effect, since it can kill some types of bacteria and protozoa . 它也可有一种有益的效应，因为它能杀死某些类型的细菌和原生动物。
Combined industrial and domestic waste water treatment is beneficial to both industrial firms and the municipalities . 工业和生活污水联合处理既利于工厂，又利于城市。
His personal role within the margin available to ambassadors was almost certainly beneficial to us-soviet relations . 他在大使所能及的范围内的个人作用，几乎肯定地说是有利于美苏关系的。
I can report that we have what appears to be a beneficial medication to retard mental aging and aid acuity, the two things going together . 我可以报告说，我们已经有了某种看来可以推迟脑力老化，有助于保持机敏的有益药物，这两者是相辅相成的。
