卫星传递信号 · Satellites Send Signals
卫星传递信号
Satellites Send Signals
👁 5 次浏览 · views
探索科学奥秘——人造卫星像宇宙中的“信号塔”，它们在地球上方的轨道上运行，帮助我们传递电视信号、电话信号和导航信号！
Explore science — Satellites Send Signals!
📖 趣味知识 / Fun Fact
rén人zào造wèi卫xīng星xiàng像yǔ宇zhòu宙zhōng中de的“xìn信hào号tǎ塔”，tā它men们zài在dì地qiú球shàng上fāng方de的guǐ轨dào道shàng上yùn运xíng行，bāng帮zhù助wǒ我men们chuán传dì递diàn电shì视xìn信hào号、diàn电huà话xìn信hào号hé和dǎo导háng航xìn信hào号。GPSG定P位S就dìng是wèi靠jiù多shì颗kào卫duō星kē同wèi时xīng发tóng送shí信fā号，sòng通xìn过hào计tōng算guò信jì号suàn到xìn达hào的dào时dá间de差shí来jiān确chà定lái你què的dìng位nǐ置！
Satellites orbit Earth relaying TV, phone, and GPS signals — multiple satellites help pinpoint your location! Science is all around us — ask questions whenever you notice something new. Sharing this with family helps kids connect classroom learning to daily life. Curious minds notice these details everywhere once they know what to look for.
🤔 Why?
为什么卫星传递信号这么有趣？
Why is Satellites Send Signals interesting?
GPS定位就是靠多颗卫星同时发送信号，通过计算信号到达的时间差来确定你的位置。
Science is all around us — ask questions whenever you notice something new.
👧 Compare With You
你的日常生活和“卫星传信号”有什么联系？ How does Satellites Send Signals connect to your daily life?
- ✔ 每天呼吸和吃饭 Breathe and eat every day
- ✔ 在学校做实验 Do experiments at school
- ✔ 用眼睛观察世界 Observe the world with your eyes
- ✔ 帮助理解人体 Helps explain human body
- ✔ 人造卫星在太空轨道运行，转发电视、电话和定位信号，GPS Satellites orbit Earth relaying TV, phone, and GPS signals — multiple satellites help pinpoint your location! Science is all around us — ask questions whenever you notice something new
- ✔ 是卫星传信号的核心知识 Core idea of Satellites Send Signals
📚 Vocabulary
💬 Learn Sentences
rén人zào造wèi卫xīng星xiàng像yǔ宇zhòu宙zhōng中de的“xìn信hào号tǎ塔”，tā它men们zài在dì地qiú球shàng上fāng方de的guǐ轨dào道shàng上yùn运xíng行，bāng帮zhù助wǒ我men们chuán传dì递diàn电shì视xìn信hào号、diàn电huà话xìn信hào号hé和dǎo导háng航xìn信hào号。
Satellites orbit Earth relaying TV, phone, and GPS signals — multiple satellites help pinpoint your location!.
GPSG定P位S就dìng是wèi靠jiù多shì颗kào卫duō星kē同wèi时xīng发tóng送shí信fā号，sòng通xìn过hào计tōng算guò信jì号suàn到xìn达hào的dào时dá间de差shí来jiān确chà定lái你què的dìng位nǐ置。
Science is all around us — ask questions whenever you notice something new.
🎤 口语练习 / Speaking Practice
请跟着读： Repeat after me:
GPSG定P位S就dìng是wèi靠jiù多shì颗kào卫duō星kē同wèi时xīng发tóng送shí信fā号，sòng通xìn过hào计tōng算guò信jì号suàn到xìn达hào的dào时dá间de差shí来jiān确chà定lái你què的dìng位nǐ置。
Science is all around us — ask questions whenever you notice something new.
🎯 Fun Challenge
Multiple ChoiceGPS定位系统靠什么来确定你的位置？
What does a GPS system use to figure out your location?
💡 想一想刚才读到的内容。 Think about what you just read.
答对了！GPS靠多颗卫星同时发送信号，通过计算信号到达的时间差来确定你的位置。 Correct! GPS uses signals from multiple satellites at once, calculating the time differences to pinpoint your location.
💭 Think About It
你能举一个生活中卫星传信号的例子吗？
Can you give a real-life example of Satellites Send Signals?
哇！ Wow!
GPSG定P位S就dìng是wèi靠jiù多shì颗kào卫duō星kē同wèi时xīng发tóng送shí信fā号，sòng通xìn过hào计tōng算guò信jì号suàn到xìn达hào的dào时dá间de差shí来jiān确chà定lái你què的dìng位nǐ置。
Curious minds notice these details everywhere once they know what to look for.
📊 学习数据 / Stats
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