或它们阻止反病毒软件和反特务步伐的更新.Or they could stop you from updating you antivirus and antispyware.提出这个关于步伐的观点不是想让你的打球方式僵化.The point is to not fit yourself into a rigid mold.另有一架摄像机测量步伐的长度和腿部运动的角度.A video camera measured stride leng...