细胞壁上有不规则的增厚, 增厚的部分通常在几个细胞 邻接处 的角隅上特别明显.The cell walls are irregularly thickened and pectin , the thickening giving distinct the cells in cross - section....
Loads distort every component of the structure of the Cassegrain antenna system.载荷使卡塞格伦天线结构的每个部分发生变形.This paper presents a high power feed system for 7.3 m Cassegrain antenna.介绍用于?7.3mCassegrain天线的高功率馈源喇叭的设计.Participate ...
那把刷子刚毛不够,不适用于用力洗刷.That brush is not adequately bristled for heavy cleaning.外层披毛为刚毛, 毛质硬,内层底毛柔软浓密.It is a hard , wiry outer coat with a soft, dense undercoat.被毛为坚硬的刚毛,浓密的、厚厚的贴在身上.The coat is hard, wiry and dense with a cl...
to travel by sea海上旅行The cargo on board have been damaged by sea water.船上的货物因水湿而残损.We made our way to the coast and thence by sea to France.我们先到海边,再从那里乘船去法国....
What has Longfellow the most successful of them all, to offer us?他们中最成功的文人是朗费罗, 可是他又给我们提供了一些什么 呢 ?Longfellow was lucky in securing a professorship of modern languages at Harvard.朗费罗能够在哈佛大学当上现代语言教授是出于幸运.Nor was Longfellow...
匹配负载阻抗之传输线上无反射.No reflection will appear on a line with matched load.研究弱激光驻波场中的无反射势阱.The reflectionless potential well affected by a standing laser field is studied.光线被黑面吸收(而无反射).Light rays are absorbed by black surfaces...