length(Center(:))~=2中的“~=”在matlab中是什么意思?

length(Center(:))~=2中的“~=”在matlab中是什么意思? Given（x-1）²-16（y+2）²=16,find the center,the focus,the vertex1）Given（x-1）²-16（y+2）²=16,find the center,the focus,the vertex,the transverse axis length and the conjugate axis length,the eccentricity,the asymptotes. body[length-1]=body[length-2];bb[i]=aa[i];putchar(hi_val%6);else matlab中的length什么意思?如何应用?for k=2:length(x0) X0为数列 =(a.length shoulder seam placement forward ;center back sleeve lenght ;half moon facing length center back sleeve lenght half moon facing length请问这两句在外贸服装中是什么意思（部位）? align=center是什么意思 Center center Center center MyMaxID = MyMaxID.Substring(2, MyMaxID.Length - 2)什么意思 a1=input(:,1:2:length(input)); 里面好多冒号. output += input[input.Length - 英语翻译For LT Motion – Speed – 30 M/min [1] Motorized Cable Reeling Drum.LT Travel – 95 Meters.Center Feed.Cable Size 4 x 150 Sq.mm (total length – 60 Meters) [2] Motorized Cable Reeling Drum LT Travel – 80 Meters.Center Feed.Cable Siz matlab错误：Input argument x is undefined.Error in ==> overlapsave at 2 Lenx=length(x);源代码是：function y=overlapsave(x,h,N)Lenx=length(x);M=length(h);if N document.forms[0].AREA_SLA_ID.selectedIndex = [0]; 1:document.forms[0].AREA_MAS_ID.length = AREA_MAS_ID.length + 1;2:document.forms[0].AREA_SLA_ID.selectedIndex = [0];