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【简答题】
色温值越高,光源中的___________成分越多;反之,色温值越低,光源中的___________成分越多。
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举一反三
【多选题】Please watch the video and choose the right answers. Question : Why does the girl want to go abroad in the video ? Traveling Abroad.mp4
A.
Because some of her classmates have been to Hawaii several times.
B.
Because she wants to enjoy the different cultural customs.
C.
Because travelling is good for their studies.
D.
Because travelling abroad can improve their English.
【简答题】please watch the above video, and then write down the script of the video on a piece of paper with your pen. Finally, please take photo of your handwriting script and upload it to the platform as answ...
【简答题】任务 5:判断水仙花数 任务介绍: 水仙花数是一个 3 位数,它的每位数字的 3 次幂之和等于它本身,例如 1^3+5^3+3^3=153, 153 就是一个水仙花数。 本实例要求编写程序,实现判断用户输入的 3 位数是否为水仙花数的功能。 任务目标: 掌握 Python 中运算符的使用 了解 if-else 语句的使用 答题要求: 把源代码写入答题框,把运行结果截图粘贴在答题框
【单选题】相位调制、频率调制、波长调制以及什么等,所有这些调制过程都可以归结为将一个携带信息的信号叠加到载波光波上。
A.
偏振调制
B.
共振调制
C.
角度调制
D.
振幅调制
【简答题】Please watch video clip entitled Benefits of Exhibiting Your Business at a Trade Show and take notes while watching. Benefits of Exhibiting Your Business at a Trade Show.mp4 It is recommended the note...
【简答题】Please watch the video and write down the key pionts in a presentation. 乔布斯之演讲技巧.flv
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