Many objects in the universe are invisible(看不见的), but they send radio waves. The radio telescope thus appeared, and it is considered one of the greatest inventions in the twentieth century. Reber built the world's first radio telescope in 1937. Ryle and Hewish developed radio telescope ...
根据第一段第一句和第二句Many objects in the universe are invisible, but they send radio waves. The radio telescope thus appeared..可知射电望远镜是用来接收无线电波的。故本题选择C细节理解题。根据 Most antennas are made inthe shape of a dish to collect and reflect theradio waves to the sub-...
Many objects in the universe are invisible, but they send radio waves. The radio telescope thus appeared,and it is considered one of the greatest inventions in the twentieth century.To avoid interference, and keep the telescopes sensitive,radio telescopes are built in places where there are no ...
【题目】Many objects in theuniverse are invisible', butsub-elecorthey send radio waves. Theincomingradio telescope" thusrado wavesappeared, and it isanlennaconsidered one of thegreatest inventions in thetwentieth century. Reberbuilt the world's first radiotelescope in 1937. Ryle andrrceiverand...
Many objects in the universe are invisible*, but they send radiowaves. The radio telescope* thus appeared, and t is considered oneof the greatest inventions in the twentieth century. Reber built theworld's first radio telescope in 1937. Ryle and Hewish developedradio telescope systems for the ...
(2023秋•高三课时练)Many objects in the universe are ___ (visible), but they send radio waves.相关知识点: 试题来源: 解析 invisible解析:考查形容词。句意:宇宙中的许多物体是看不见的,但它们发射无线电波。作表语,表示“看不见的”应用形容词invisible。故填invisible。 null反馈 收藏...
Many objects in the universe are invisible,but they send radio waves. The radio telescope thus appeared, and it is considered one of the greatest inventions in the twentieth century. Reber built the world's first radio telescope in 1937. Ryle and Hewish developed radio telescope systems for the...
Many objects in the universe are invisible, but they send radio waves. The radio telescope* thus appeared, and it is considered one of the greatest inventions in the twentieth century. Reber built the world's first radio telescope in 1937. Ryle and Hewish developed radio telescope systems for...
根据语境、音标或所给单词的提示完成句子,每空一词。1. Many objects in space are invisible(看见 ), but they send
the academic evaluation criteria we set for the graduation works this year were mainly based on “creative points.” That is to say, this year’s graduation creations can be said to be “cyber warfare”, and “cyber warfare” has no offline physical objects, so that students can choose to...