They are listed on the closely guarded microfilm.它们列于一卷严格保管的缩微胶卷上.A device for reading materials in microform, such as microfilm and microfiche.显微阅读器用以阅读缩微成像, 如缩微胶卷和缩微平片上的材料的仪器.Tomorrow we'll look at microfilm recor...
Such information is easily transferred onto microfilm.这种信息很容易转存到缩微胶卷上。Tomorrow we'll look at microfilm records for several months back.明天我们将去检查前几个月的缩微胶卷记录.They are listed on the closely guarded microfilm.它们列于一卷严格保管的...
The invention discloses a sediment desilting method of turbulent flow and flood hyperconcentration and application thereof.本发明公开了一种稀性泥石流和高含沙洪水的泥沙拦淤方法及其应用....
他年纪太大，经不起那么摔一跤。He's too old to come through a fall like that.他们吹口哨挑逗我，我窘迫之下绊了一跤。They wolf-whistled at me, and I was so embarrassed I tripped up.她这一跤跌得这么重，我想是救不过来了。She fell so heavily I thought she was a goner....