单词：pencil beam
pencil beam的用法和样例：
例句
- In this paper a general study of the relation between the performance of shaped beams and beam width and spacing has been done for multiple-beam antennas with array-fed reflectors.该文主要对赋形波束的性能与波束宽度和波束间隔间的关系进行了一般性的研究。
单词：pencil beam 相关文章
David lost his yellow pencil. He could not find it. Where is my yellow pencil? he asked his sister. His sister did not know. I don't know where your pencil is, she said. David thought about it. He thought and thought. He used his yellow pencil before
英语第1级听力-English Level 1
UNIT 1 Hello Again!再次相见! Lesson 3 Is This Your Pencil?这是你的铅笔吗? 1.What's this?这是什么? This is a blackboard.这是黑板. This is chalk.这是粉笔. This is a school.这是学校. This is a chair.这是一把椅子. These a
冀教版小学英语(三起)--第四册
Unit 2 This is my Pencil. [00:02.49]单元二 这是我的铅笔。 [00:04.99]Lesson 7 [00:06.61]第七课 [00:08.23]1.Just speak [00:10.00]1.请讲话 [00:11.78]Hi,LiYan. This is Kate. This is LiYan. [00:14.81]喂，李燕。这是凯特。这是李燕
人教版小学英语三年级
UNIT SEVEN [00:13.58]What is this?Picture 1. [00:20.66]What is this,Gogo? It is a pencil.Picture 2. [00:34.61]What is this? It is a rubber. Very good.Picture 3. [00:51.57]What is this,Dick? It is a pen.Picture 4. [01:03.95]What is this,Mimi? It is a
小学综合英语1A
[00:02.97]Unit 2 Is this your pencil? [00:07.29]SELF CHECK [00:09.56]1.Key word check. [00:14.05]Check () the words you know. [00:17.28]backpack notebook computer game baseball [00:27.22]pen ruler book pencil case dictionary [00:40.70]eraser ring wat
新目标初中英语七年级上
[00:00.00]Unit 2 Is this your pencil? [00:06.18]Section A [00:08.26]1b listen and number the conversations[1-3]. [00:16.39]Conversation 1 [00:18.57]Is this your ruler? [00:20.49]No,it isn't. [00:22.13]It's her ruler. [00:24.87]Conversation 2 [00:26.9
新目标初中英语七年级上
Apple on Tuesday introduced a new iPad with a digital pencil to draw and write plus greater performance at a high school in Chicago. The new 9.7-inch iPad goes with an Apple Pencil, which delivers a remarkably fluid and natural drawing experience. iP
2018CRI中国国际广播电台
[00:02.85]Module 7 LOST AND FOUND [00:07.33]UNIT 2 What does it look like? [00:11.07]1 Listen and read. Then say. [00:15.19]Class, can you please look for [00:17.25]Liu Hong's pencil case? [00:19.57]What does it look like? [00:21.18]It's red one. [00
外研社新标准初中英语七年级
beam, [bi:m] n 大梁（建筑中用作支撑的木材、金属或石头）；光柱；臀围；平衡木 【船】横梁; 船幅; 船舷 (秤)杆; (犁)柄; (锄)把; 卷轴; 横杆; 杠杆 (鹿角的)主干 (灯光、日光、月光等的)束, 道,
不择手段背单词
David lost his yellow pencil. He could not find it. Where is my yellow pencil? he asked his sister. His sister did not know. I dont know where your pencil is, she said. David thought about it. He thought and thought. He used his yellow pencil before
超级简单英语阅读
1. Authorities in Utah say they found no signs of six trapped miners when they lowered a camera down to where they think the men are located. This is their second effort to make contact with the men. Yesterday a microphone was lowered down to a separ
美联社新闻一分钟2007
[00:00.00]change one's mind anyhow argument misunderstanding [00:05.09]改变注意 ad.不管怎样 n.辩论 n.误会，误解 [00:10.19]ashamed Cincinnati counter disappointment [00:14.72]a.惭愧,害臊 n.辛辛那提(美国城市) n.柜台 n.失望；
高中英语词汇
Bob Beamon established himself as the favourite in the 1968 long jump by winning 22 of 23 meets in the pre-Olympic season. He almost met with disaster in the qualifying round. After fouling his first two attempts, he had only one try left. His teamma
英美文化
Right on the beam To fly by the seat of his pants 美国英语当中有许多成语和俗语都和过去的历史有关系。例如，美国开拓西部的过程给美国语言增添了不少色彩。可
美国习惯用语
A: I'd like to order a restock on my minibar. B: You finished everything in there, sir? A: Absolutely everything. B: What would you like to order? A: Three bottles each of Perrier and Jim Beam. B: Uh-huh. What else do you want? A: The apples were gre
英语情景对话-旅馆
A: Hi. My minibar is empty. B: You already finished off everything, sir? A: I finished off everything. B: Would you like anything in particular? A: The Perrier and the Jim Beam. Let me have three more of each. B: Beam and Perrier. Anything else, sir?
英语情景对话-旅馆
A: My minibar is completely empty. B: Everything in that minibar has been consumed, sir? A: Everything's gone. B: Is there anything special you'd like? A: Just bring me three bottles each of Jim Beam and Perrier. B: Okay, sir. Three of each. Would yo
英语情景对话-旅馆
smirk vi.傻笑; 假笑着说; grin v. 露齿而笑，咧着嘴笑 beam vi. 照射；堆满笑容 laugh v.哈哈大笑 register vt.表示，表达; （感情） 流露; 如果单纯从中文的翻译还是很难深刻理解这几种笑的不同，可以
卡卡课堂早餐英语
1.poker face 面无表情的人 例如： I never know whether my boss likes my work or not -- he is a real poker face! 我从来也不知道我的老板到底喜不喜欢我的工作。他脸上可真是一点表情都没有。 2.The shoe is on the
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