What is the main function of a satellite? A. To take pictures. B. To send signals. C. To explore space. D. To carry astronauts. 相关知识点: 试题来源: 解析 B。本题考查科普知识,卫星的主要功能是发送信号。选项 A 拍照只是部分卫星的功能之一;选项 C 探索太空不是卫星的主要功能;选项 D ...
showing patterns of heat and cold, are also common. Scientists use satellite images to track changes in hard-to-reach places, such as the polar ice caps.
What is the main function of a satellite? A. To fly in the sky. B. To send and receive signals. C. To look beautiful. D. To make noise. 相关知识点: 试题来源: 解析 B。卫星的主要功能是发送和接收信号。选项 A 不是主要功能,选项 C 和 D 错误。
What is the main function of a satellite? A. to send messages B. to take pictures C. to provide navigation D. all of the above 相关知识点: 试题来源: 解析 D。本题考查特殊疑问句及卫星的功能。卫星可以发送消息、拍照以及提供导航等多种功能。
The function of the ___ sensor on the meteorological satellite is closely related to observing ocean surface features. A. microwave B. infrared C. ultraviolet D. visible light 相关知识点: 试题来源: 解析 A。解析:对于这道题,气象卫星上的microwave(微波)传感器其功能与观测海洋表面特征密切相关。
It uses three transponders (3A.4A.5A) of APT-1 to broadcast educational programs. In order to make the most of the satellite transponders, CETV is developing the resources and multiplex applications of satellite transponders, while broadcasting satellite TV programs.The three subcarriers are ...
of the World Wide Web and Internet also use satellites.Many of our TV programs come to us through satellites.Airplane pilots also sometimes use a satellite to help them find their exact location. We use satellites to send television pictures from one part of the world to another.They are ...
The function of (power transmission) is to send power from power plants to load center or to exchange power between networks in order to attain the generation-consumption balance or the supply-demand balance between (power networks). Power transmission is completed by step-up substations, (step-...
What is the function of LiciaCube? A. Helping the satellite separate from the spacecraft. B. Recording the scientists' ground-based observations. C. Sending impact data back to Earth. D. Calculating the length of Dimorphos's orbit.
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