at distance & in distance 区别

at distance & in distance 区别 in the distance和 at distance区别 at a distance,in the distance,of a distance 区别 in the distance 和at a distance 的区别 in the distance 与at a distance 区别 in the distance和at a distance 的区别 at a distance 和 in the distance 有什么区别? in the distance 和at a distance区别? 在远处是in the distance还是at a distance? matlab中矩阵除以常数出错du=abs(U1-U2);dd=abs(D1-D2);dis=du/au+dd/ad;其中U1,U2,D1,D2为一行24列的数组au,ad为常数运行时出现如下错误提示：Error using ==> mldivideMatrix dimensions must agree.Error in ==> distance at 9dis= in distance I can see the light ____A at a distance B in the distance Cfrom a distance D BandC The picture looks better______.A．in the distance B．at a distance C．in a distance D．at the distThe picture looks better______.A．in the distance B．at a distance C．in a distance D．at the distance再给个解析 请教大师两个短语区别 at a distance in the distance请教大师两个短语区别at a distancein the distance at the distance of对不对?at能加the吗?拜托!老师说过短语at a distance和in the distance那at the distance of对不对?万分感谢! at a distance I saw a tree at a distance.和I saw a tree in the distance.有什么区别 in the distance和from the distance