【单选题】Please rearrange the procedures for the main engine trial.I. close all indicator cocks; II. inform the bridge;III. give the main engine a trial on power ahead and astern; IV. start the engine on air o...
【简答题】void Bresenham_line(CDC *pDC, int x0, int y0, int x1, int y1, long color) { int dx = abs(x1 - x0); int dy = abs(y1 - y0); int x = x0; int y = y0; int stepX = 1; int stepY = 1; if( ) //从右向左画 ...