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根据瑞利散射定律,紫光的散射强度应该大于蓝光,为什么天空不是紫色的? 假如一个电阻与电容器串联后与另一电阻并联,当接通电源后,可以认为与电容器串联的电阻是导线,而电容...假如一个电阻与电容器串联后与另一电阻并联,当接通电源后,可以认为与电容器串 请问大家谁知道可以唱得古诗有哪些迷茫了,我在此先感谢各位朋友{随机数g 把电阻、电感线圈、电容器并联接到某一交流电源上,三个电流表的示数相同,若保持电源电压不变,而将频率加大,则三个电流表的示数I1、I2、I3的大小关系是：A．I1＝I2＝I3 B．I1＞I2＞I3C．I2＞ 请问大家下有关水的古诗词我都迷茫了,我先感谢大家了{随机数g 请问有谁知道急求,小学生古诗词我都迷茫了,我在此先谢谢大伙了{随机数O 请问大家一下有关送别的古诗文我都迷茫了,感谢各位朋友了{随机数l A320有几部气象雷达? 气象上的雷达拼图是什么 雷达用不用在气象上 一个10欧电阻与一个10欧电容并联后接在10V电源上,则总电流为? 一电路有电源,平行板电容器,和一电阻则接通电源后有电流通过电阻吗如题 设计吸塑盒时,要求吸塑盒成型后的厚度,还是片材的厚度?如果是成型后的厚度,那么怎样选择片材厚度?设计吸塑盒时,要求吸塑盒成型后的厚度,还是片材的厚度?如果是成型后的厚度,那么怎样 英文文章修改I do not agree with this point of view.Because a country's development must be people-centered,democratic to make laws by the treaty.If you want to set up a bill must be democratic vote to decide whether to restrict the freedom of t 销售：绝缘材料/工程塑胶/吸塑印刷胶片/各种塑胶板材/电木板/环氧板/PP板/ABS板材料/POM板/棒.PC片材,冷冲板,酚醛树脂层压板,PB纸,红钢纸,PET薄膜,PVC板/棒 PP棒 尼龙棒 PVC胶片/PVC塑料片/PVC卷材/ 微分散射截面到底是什么意思? 修改英文短文First please allow me make a self-introduction.My name is Yangyiying,you can call me Summer.I'm honored to have the chance to tell you something about me.I love biology when I was a 6-year-old child.I liked read all the books about PP片材密度是多少 什么雷达方程 雷达截面由什么决定 修改英语文章如下：Saving the WorldBecause of the people,the world is becoming bad.There are wars and pollution and a lot of problems that we must face.For example,there are a lot of wars in the world.Like World War I and the most famous war: 请问J-10和F22正面雷达散射截面分别是多少 帮忙修改个英文作文Dear jimmyWe feel so terrible when we heard you were sick. Your energy, power, broad-minded are keep rising before my eyes, I cannot believe this has happened just after 5 months I saw you. I lost my mind as if I am dreamin 英文作文修改This is a special football match, the football of which is an old father, whose four children act as gatekeepers. What they click is symbolic of duty of looking after their father in his old days. China is famous for its long an 电源电路中电源并联的电容的作用是什么啊?经常看到电路板中,有好多的电容并连着,请问电容并联着是做什么的?电容可以串联吗?还有电风扇里的电容好像不是直接与AC并联的（电机里有三根 电源连接三个并联电容在接地?电容是什么作用 吸塑托盘有哪些优点 （吸塑托盘）中的轮式托盘有什么特点? PP材料的托盘和ABS材料的托盘有什么不同的地方 如果一个电路,电源电动势为E,内阻为r,外电路有一个纯电阻R和电容器并联,那么电容器两端电压是多少? 请问下,6σ法则下瑞利分布置信系数是多少?文献上说正态分布的置信系数为3,均匀分布的置信系数为1.732,三角分布的置信系数为2.45,注：置信水平为97.32%.本人这方面学的不好. 镜面油墨树脂是什么树脂 图中电容器和电源是串联还是并联?中间有电阻,应该是串联分压,但老师说电容器直接和电源并联画的不好,但还谁能看懂的惹