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请问这句英语的语法有没有问题
if you have found it,please call me .A great reward is here for your kindness. Thanks!...
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一个世界有你,一个世界没有你,让两者的不同最大,就是你一生的意义 英语怎么说
You're in this world ,but another world without you,Try to make the greastest difference between them,that is what the meaning of you'er lifetime....
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关于"My favorite animal"英语作文,30词左右
my favorite animalmy favorite animal is dog,it is friendly to people.it can help people do a lot of things.it can help the police catch the criminals( 犯罪者)and it can also keep on watch at the house......
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matlab微分方程组求解
syms a,b,c,d； （x） clc;clear all; syms a b c d; dsolve('Dy(1)=1/2*a*y(2)*j','Dy(2)=-(c d)*y(2)*j 1/2*a*y(1)*j 1/2*b*y(3)*j','Dy(3)=-d*y(3)*j 1/2*b*y(2)*j') error('symbolic:dsolve:errmsg2','There are more ODE
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