opencv中box.width*=-1;box.width*=-1;是什么意思?

opencv中box.width*=-1;box.width*=-1;是什么意思? opencv中argv[1]什么意思 #include using namespace std;class Box{public:Box(int a,int b,int c){height=a;width=b;length=c;}Box(const Box &b){height=b.height;width=b.width;length=b.height;}int volume(){return(height*width*length);}private:int height;int width;int length;};int m OPENCV中CV_PI / opencv中Scalar 是什么? 我想问一下针对特定矩形感兴趣区域,在opencv中如何确定起始坐标x、y、width、height的值, capacity of cubic paper box is 1L.what are its length,width and height in cm?回答：length,width and height of that cubic paper box are_________ opencv中的函数在opencv中该函数是什么意思?cvCvtPixToPlane max=width>height?width:height; ： 在JHAVA中,“WIDTH”=“200”；“HEIGHT”=“300”是什么意思 onload=javascript:if(this.width>screen.width-350)this.width=screen.width-350> Opencv中 1.f 是什么数据类型? c#中this.Width与this.ClientRectangle.Width区别? Box address =new Box.createHorizontalBox();在java中是什么意思 定义一个Box(盒子)类,在该类定义中包括数据成员: length(长),width(宽)和height(定义一个Box（盒子）类,在该类定义中包括数据成员： length（长）、width（宽）和height（高）；成员函数： 构造函数B OpenCV中这句话if( argc == 3 && (pImg = cvLoadImage( argv[1], 0)) != 0 )什么意思啊?if( argc == 3 && (pImg = cvLoadImage( argv[1], 0)) != 0 )谁能解释一下上面的这句话的意思啊?关于OpenCV的 帮忙翻译中学数学题,看不懂啊!1 he sum of the length, width, and height of a rectangular box is 17cm. the length is one third the height. the sum of the length and height exceeds twice the width by 2cm. find the length, width, and height WIDTH=200什么意思