The electronic addressed liquid crystal display forms different diffractive optical elements.该电寻址液晶显示器可形成不同的衍射光学元件.The diffractive efficiency is measured and the errors are analyzed.测量了菲涅耳透镜的衍射效率并分析产生误差的原因.These errors h...
介绍了降低硅铁合金铝含量的生产方法及其脱铝效果.It introduces decreasing ferrosilicon aluminum content production method and dealumiumazation effect.本发明装置结构简单,并且能够达到镀膜和脱铝双重效果.The inventive device is simple in structure and can incorporate the c...
I am a registered elector for a the geographical constituency.本人已登记为地方选区的选民.A registered elector is entitled to subscribe only ONE nomination form.每一位登记选民只可签署一份提名表格.Good - day to you, Monsieur the Elector!早安, 选董先生!...
Melted metal is poured into a mold to harden into shape.熔化之金属倒入模子中以冷却成形.Give the cardboard two or three coats of varnish to harden it.在纸板上涂两三层清漆使其变硬。The varnish takes a few hours to harden.清漆需要几个小时才能干透。Whilst Marc did gr...