Mynecklaceisnottheonlythingismissing.SomymotherissoangryatIdidshewalksoutandclosethedoorheavilybehindme.A．thatwhatthatB．thatthatthatC．whichwhatthatD．whic
My necklace is not the only thing ______is missing. So my mother is so angry at ____I did _______she walks out and close the door heavily behind me.
A．that what that B．that that that C．which what that D．which that that
关于白噪声covariance的计算已知w(t)=-w(t-1)+e(t),e(t)~(0,1)求 2020-05-13 …
重力为500N 重心距脚是0.9M,距手是0.6m,那么将身体撑起,双手对的面的压力至少为 ,若他 2020-05-17 …
不会的别乱打.关于滑轮组提重物时,因为P=w/t,w=F.s在这个公式中F是怎么确定的那?如果在竖 2020-05-21 …
讨论：关于如何求卷积x(t)*h(-t)的积分表达式?以前信号与系统里学过了x(t)*h(t)的表 2020-06-06 …
当x∈[0,4]求定积分∫1/(1+√x)dx设√x=t则t∈[0,2]dx=2tdt原式=2∫t 2020-07-23 …
x=t+1/t,y=t-1/t化成普通方程x=t+1/t,y=t-1/t(t为参数),化成x=t+ 2020-08-02 …
物理关于力学的知识W,P,F,S,T的关系现在已知P=FV,P=W/T,W=FS还有哪些公式? 2020-11-04 …
P＝W/t和P＝Fv这两个公式的使用是有条件、有区别的：前者是指发生在时间t内的平均功率；而后者,若 2021-01-11 …
f(t)=1/(1-1/t),t>1求值域原题是：f(t)=t/(t-1),t>1求值域。法一：f( 2021-01-22 …
f(t)=1/(1-1/t),t>1求值域原题是：f(t)=t/(t-1),t>1求值域。法一：f( 2021-01-22 …