计算机的硬件主要包括

真的有美人鱼吗大神们帮帮忙大海或别的地方有吗? 挥发油可见落汤鸡 脚底板删节号国家既然结合人口热机 两个小球固定在一根长为L杆的两端,杆绕O点逆时针旋转,当小球A的速度为V1,B的速度为V2,则B到O距离多少设B为X角速度相同Wa=V1/(L-X)=V2/X=WbV1x=V2(L-x)x=V2L/(V1+V2)为什么V1对应的是L-X,为什么不是X 世界上真有美人鱼吗大神们帮帮忙 世界到底有没有美人鱼大神们帮帮忙 速度|V1|=10m/s.|v2|=12m/s,且V1与v2的夹角为60°,则v1,v2的合速度大小为什么为2根号91m/s?用高一数学向量的知识. 两直杆交角为θ,各以垂直于杆的速度v1,v2平动.试求两杆交点M点的速度大小及相对于两杆的速度. 两根细直硬杆A B分别沿于各自垂直方向以V1 V2的速率运动,并保持垂直,此时两杆交点的O运动速度大小是多少 the girl___like bread for breakfast.用适当的助动词填空. The girl sometimes buies some bread for breakfast.（改错 ） The girl sometimes buies some bread for breakfast.错哪里? bread是什么意思 The rock was very large.The rock fell on the girl.合并为一句我们绝不能在开车的时候冒风险 英文翻译用上take risks翻译 警察现在掌控了局势 it was possible that more than one person attacked him同义句转化it was possible that _______ was more than one________. there could be more than one possible answer翻译 《no matter what》的中英文歌词 一个15米的锥形水泥杆 杆底直径是32公分,杆顶是19公分,13米的地方直径是多少? 锥形水泥杆,非预应力,整根杆,10m,190mm, 想问你一个关于锥形钢管杆重量的问题 上圆半径0.32；底圆半径0.64；半径8mm；高10m,想知道这个杆的重量 the tongue has the power of life and death什么意思 there is power of life and teath in the tongue Harry Potter is a very nice film.I ( ) it twice.A.will see B.have seen C.saw D.see为什么要选择B,说明理由. 如何翻译This is a lovely place.The classes are interesting and exciting 1.the film is very nice. it's very __.(excite) 2.we will go for a picnic if _ rain tomorrow.A isn't B.doesn't C.won't D.wasn't Lovely second face 谢啦. Harry Potter is a very nice film .I ____it twice .A.will see B.have seen C.saw D.see ,为什么? pic nic to day on such a lovely day译成汉语意思, I think it is a very nice film改否定句-I ______ _______ it _____ a very nice film. 求一首英文老歌,歌词好像有such a love place such a love face.好像还有California 21．如图4-32所示,物体M用两根长度相等、不可伸长的线系在竖直杆上,它们随竖直杆转动,当转动角速度ω变A．ω只有超过某一数值时,绳AM的张力才出现B．绳BM的张力随ω的增大而增大C．不论ω harry potter iv is a very （success) movie.用英语翻译 翻译 This is a signal that he or she wants to know something more aboutThis is a signal that he or she wants to know something more about you than what you do for a living or where you are from.