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单模光纤中不存在()色散,仅存在()色散,具体来讲,可分为()和()。
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【简答题】下面程序从一个二进制文件中读入结构体数据,并把结构体数据显示在终端屏幕上。请填入适当内容。 #include struct rec { int num; float total; }; void main() { FILE *f; If((f=fopen(“bin.dat”, “rb”))==NULL); {printf(“cannotopen\n”);exit(0);} reout(f); fc...
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【简答题】下面程序从一个二进制文件中读入结构体数据，并把结构体数据显示在终端屏幕上，请填入适当内容。#includestruct rec{ int num; float total;};int main(){ FILE *f; if((f=fopen("bin.dat","rb"))==NULL) {printf("can not open file !\n"); exit(...
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【简答题】下面程序从一个二进制文件中读入结构体数据,并把结构体数据显示在终端屏幕上。请填入适当内容。 #include struct rec { int num; float total; }; void main() { FILE *f; If((f=fopen(“bin.dat”, “rb”))==NULL); {printf(“cannotopen\n”);exit(0);} reout(f); fc...
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【简答题】[程序填空题]下面程序从一个二进制文件中读入结构体数据,并把结构体数据显示在终端屏幕上。请填入适当内容。 #include struct rec { int num; float total; }; int main() { FILE *f; if((f=fopen("bin.dat","rb"))==NULL); {printf("cannot open\n");exit(0);} reout(...
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