铁线蕨 科:一科广泛分布的蕨类植物, 特别是在美洲潮湿的热带分布较多.Adiantaceae ( maidenhair ferns ) A family of ferns ( Filicinophyta ) found throughout the world, especially in the moist American tropics....
The gross rubber has a high plasticity and fluidity and gumminess of composition is increased.其具有较高的塑性及流动性并使胶料粘性增加.On the other hand enlarges standard currency currency fluidity creation.另一方面加大本币的货币流动性创造.She dances with ...
see的近义词有：call on, see, visit, drop in,look, see, watch, observe, witness。下面这些动词或词组均含有"拜访，访问"的含义：call on：社交上的正式用语，指无目的、礼节性的短暂拜访，访问者与被访问者之间一般只有社交或公务关系。see：常用词，含义广泛，既可指接受他人来访，又可指去访问他人。visit：正式用词，强调出于工作需要的访问，也指亲戚朋友间的看望。drop ...
介绍阻火器的分类、选型及安装.Introduces the categories of arresters and their type selection and installation.水泵选型时, 其水流量比主机水流量大15%至20%左右.Pump selection, the current host of water flow than 15 - 20 % or so.机电系统控制硬件的选型设计是一件非常繁复的工作.To s...
设计硅芯片模仿人的器官听上去是异想天开。Designing silicon chips to mimic human organs sounds fanciful.硅酮隆胸植入物a silicone breast implant地球主要由铁、硅等物质构成。The Earth is made mainly of iron and silicon and things like that....