明天谁来陪我 幼苗
共回答了21个问题采纳率:95.2% 举报
1年前
kiikii 幼苗
共回答了20个问题采纳率:80% 举报
回答问题
为什么Sa(x)=sinx/x被叫做抽样函数?求大神帮助
1年前1个回答
己知SABC是球O表面上 的点sA垂直干平面ABC AB垂直于BCSA=AB=1BC=根号
如下图所示,S是一个发光点,S’是它在平面镜中成的像,SA是S发出的一条光线,请在图中画出平面镜的位置和SA经平面镜反射
1年前3个回答
he was too embarrassed to say anything.to sa
三棱锥S—ABC的三条侧棱两两互相垂直,且SA=1,BS= ,SC= ,则底面内的角∠ABC等于(
Edith has invented a device ____ can solve the problem of sa
如图所示,在三棱锥S-ABC中,平面SAB⊥平面ABC,AC⊥AB,SA=SB=AB=2,AC=1
(2014•葫芦岛二模)已知正项等比数列{an}中,2a1+3a2=1,且a32=9a2a6,Sa为其前n项和,则Sn=
The manager would rather his daughter did not work in the sa
按照题目的要求作图(1)如图甲所示,SA、SB是光源S发出的两条光线.其中SA平行于主光轴,SB过左焦点,请画出这两条光
( )23.The world _____ all the time .Things never stay the sa
The brigde was named __the hero who had given his life to sa
1年前5个回答
微观经济学从原点出发的射线与STC曲线相切的产量上,必有( ).A、SA
what matters is nt how often you call,but rather what you sa
求一段英语化工类文献开头的翻译School of Chemical Engineering, Universiti Sa
英语翻译Don't let any mistake about what i said and what i'll sa
1年前4个回答
在图中,A和B为液压传动的两活塞,C为圆木棒,D为墙壁.设它们的面积为SA=SC=[1/2]SB,作用在A上的力为F,则
The blackboard needs ____(clean). English names are ____ (sa
yesterday,we went out for a walk sa a fine day it was a fine
适当形式填空1.I saw the cat _____(climb) a tree.根据汉语意思提示完成句子2.I sa
你能帮帮他们吗
当x,y为何值时,代数式x^2+4y^2-4x+12y+27有最小值
求数学达人设函数fx=x+ax^2+blnx,曲线fx过P(1,0)且在P点切线斜率为2(1)求a,b的值(2)证明,f
(Ⅱ)从方框中选词并用其适当形式填空 snow, sun, hot, relax, scarf 6. He is dri
一条马路长150米,马路一边的两端各有电灯柱1根。要在这边原有的灯柱之间再埋电灯柱9根,每相邻2根的距离相等,求此距离=
冰块浮在水面上 融化后 水面升降?
精彩回答
下列词语中没有错别字的一项 [ ] A.葱笼 重蹈覆辙 噤若寒蝉 B.寒暄 流言蜚语 贪赃枉法 C.浮躁 流恋忘返 发愤图强 D.妨碍 融汇贯通 飞扬跋扈
Tom eagerly finished up ____________ was left of the chicken pie.
一个正方形的面积为10m²,它的边长为多少?
下列诗句没有使用比喻修辞方法的是( )
____ come from America. They speak English. [ ]