Which of the following is a key component of a satellite communication system? A. Antenna B. Engine C. Wheel D. Ladder 相关知识点: 试题来源: 解析 A。解析:在卫星通讯系统中,“antenna”(天线)是关键的组成部分,用于发送和接收信号。“engine”(引擎)主要用于提供动力,卫星不需要像火箭那样的引擎在...
that plays an important role in communication C. who plays an important role in communication D. whose plays an important role in communication 相关知识点: 试题来源: 解析 A。先行词是“satellite”,事物,用 which。that 不能引导非限制性定语从句;who 指人;whose 表示所属关系。反馈 收藏 ...
In addition, what impresses the customers most is that not only the quality of the clothes is reliable but the prices are reasonable and affordable.On top of that, if there is no damage to the clothes and they are preserved in good con...
1. What is the man doing? A. Asking the way. B. Giving directions. C. Correcting a mistake. 2. What dress size does the woman want? A. 8. B. 10. C. 12. 3. What is the woman likely to do? A. Make a phone call. B. Handle the problem. C. Have a rest. 4. Which tour...
A multibeam telecommunication satellite comprises a reconfigurable payload, at least one anchor spot access and a plurality of user spot accesses wherein, for a given mobile terminal, the anchor spot access is associated with a unique frequency channel and the user spot accesses are each associated...
声明: 本网站大部分资源来源于用户创建编辑，上传，机构合作，自有兼职答题团队，如有侵犯了你的权益，请发送邮箱到feedback@deepthink.net.cn 本网站将在三个工作日内移除相关内容,刷刷题对内容所造成的任何后果不承担法律上的任何义务或责任
题目The rockets take astronauts and man-made satellites(卫星)into space. The satellites are used for communication, weather checking and research.But how do satellites stay up without falling down? There are two opposite forces influencing the satellite. One of them is the fo...
aif this equipment does cause harmful interference to radio or television reception,which can be determined by turning the equipment off and on,the user is encouraged to try to correct the interference by one or more of the following measures 如果这种设备导致危害性干扰对收音机或电视接收,可以取决...
This is a great 4___ to the scientists who work in the forests and in agriculture(农业). Satellites are quite useful in our daily life. For example, satellites for 5___ are used to send radio and TV programs from one part of the world to another. It is the satellites that make ou...
1.The video series is comprised of two parts, the first part of which contains four episodes,each___( feature ) one artist.2.Over the years, Wang and his peers___( put ) great efforts into advancing their skills and acquiring knowledge.3.At its peak, the Rishengchang Bank had more...