The ultra high speed grinding mode may improve the cutting condition of the grains and thus reduce the specific grinding energy.
采用超高速磨削，对改善磨粒的切削状态，降低比磨削能是非常有利的。
This paper derived the formulation for the real efficient emission coefficient of secondary electron under the condition that high energy primary electron incident on metal obliquely.
推导出高能原电子斜入射时的金属的有效真二次电子发射系数的表达式，它与入射角的余弦近似成反比。
This paper presents Shenzhen high rise office building sampling investigation, finds their basic condition in respect of building energy consumption, analyses the potentialities of energy saving.
通过对深圳市高层办公建筑进行抽样调查，得到了其建筑能耗的基本状况，并对深圳市该类建筑的节能潜力进行了分析。
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