双打边线 doubles side line ; outside side line ; double sideline ; doubles line

双打发球线 doubles service line

单双打边线之间地带 side alley

双打后发球线 long service line ; long service line for doubles

单、双打边线间地带 alley

单/双打边线 side line for singles/doubles

混合双打后发球线 long service line

双打边线间地带 alley