因为沉积作用是快速的, 分选作用和层理就得不到很好的发展.Because deposition is rapid, sorting and stratification are generally not well developed.轻的籽粒可以通过空气动力,即气流分选机清理出来.Light kernels may be removed by a pneumatic or air seperator.砂粒在波浪分选作用下从粉砂及粘土中...
较轻的推进器采用液态氢, 较重的采用自燃推进剂.The lighter version used liquid hydrogen, the heavier used hypergolic propellants.这个工厂为弹道导弹生产推进剂。The factory produces propellant for ballistic missiles.挤压 式 发动机对推进剂中溶解的气体特别敏感.Pressure - fed engine...
Use commas to separate multiple properties on the attribute.使用逗号分隔特性的多个属性....the contemporaneous development of a separate and quite recognisable Scottish school of art.一个独立而鲜明的苏格兰艺术流派的同时发展Police moved in to separate the...
Endometritis is a cause of infertility.子宫内膜炎是不育的原子.Chronic endometritis is one of common diseases.慢性子宫内膜炎已逐渐成为妇科常见病之一.Seen here is chronic endometritis with lymphocytes and plasma cells in the endometrial stroma.子宫内膜慢性炎症...
There was an Underground map above one of the windows and I counted the stops to West Hampstead.其中一扇窗户上方有一张地铁线路图,我数了数到西汉普斯特德站共有几站。Above one year experience in relevant field is a must.一年以上相关领域工作经验.Above one year teaching...