问题
名词解释
斯蒂芬－波尔兹曼定律
答案
参考答案：
黑体发射出的总辐射与该物体的绝对温度的4次方成正比。
搜题请搜索小程序“爱下问搜题”
斯蒂芬－波尔兹曼定律
参考答案：
黑体发射出的总辐射与该物体的绝对温度的4次方成正比。
| 根据句子意思，从方框中选用恰当的单词或短语填空。 | |
2. The little boy is only four, but he could wash and get dressed. 3. It's said that Neil Armstrong flying at the age of six. 4. They are good friends, so they have much each other. 5. He is a good swimmer, so he _______ swim to land when the ship had an accident. 6. There was a lot of on the city roads but it got better when we were on the highway. 7. — Why are you late for school? — I didn't catch the early bus. 8. If no one buys furs, then people won't kill wild animals . |