A new backfire antenna fed by a bifilar backfire belix is described in this Paper.本文提出一种用双线背射螺旋作馈源的新式背射天线.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.The microstri...
Commonly used cuttage, engraft and layering are progenitive, also can sow.常用扦插.嫁接和压条繁殖, 也可播种.Objects To explore the factors of influencing for the cuttage seedling of Akebia trifoliate.目的探讨影响三叶木通扦插育苗的因素.Cuttage uses soft...
Holand Poland and Colombia are also seeking loans from the program.波兰和哥伦比亚也正在从该项目中寻求贷款.The swift fate of Holand was in all our minds.荷兰的急转直下的结局一直在我们的脑际萦回.She is a excellent landscape painter from Holand.她是个非常优异的荷兰风景画家....
More vigorous action is needed to force the federal army to disengage.需要更强有力的行动来迫使联邦军队撤军。Twenty eight percent of the federal budget is spent on defense.28%的联邦预算用于国防。Federal leaders continued their efforts to secure a cea...