通常向前扫描字符串比反向扫描更安全。

It is usually safer to scan a string forward rather than in reverse.

youdao

关于这一点没有硬性的规定，但是大多数省道通常向前中心线或后中心线烫倒。

There are not hard and fast rules about this, but most darts normally fold in towards the CF or CB. See arrows in Figure 13-10. press a way from CF.

youdao

关于这一点没有硬性的规定，但是大多数省道通常向前中心线或后中心线烫倒。

There are not hard and fast rules about this but most darts normally fold in towards the cf or cb. see arrows in figure13-10. press a way from cf.

youdao