They erected a television antenna on the roof.他们在屋顶上架起了电视天线.In our village, there is an antenna on every roof for receiving TV signals.在我们村里, 每家房顶上都有天线接收电视信号.Extended the radio antenna.把收音机的天线拉到最长。...
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...
the International Phonetic Alphabet国际音标Delta is the fourth letter of the Greek alphabet.δ是希腊字母中的第四个字母。Q comes between P and R in the English alphabet.英语字母表中，Q在P和R之间。The modern Russian alphabet has 31 letters.现代俄语字母表有31个字...
Alder ( Alnus nepalensis ), an important non - legume nitrogen - fixing plant, occurs widely in the eastern Himalayas.桤木 ( Alnusnepalensis ) 是一种重要的 非 豆科固氮植物, 广泛分布于喜马拉雅山脉东部地区.Eat legume food to have those helps to person ...