短語詞組短語strong timeliness 實(shí)時(shí)性強(qiáng)timeliness equation 時(shí)效性方程timeliness slope 時(shí)效邊坡timeliness principle 及時(shí)性原則Pickup Timeliness 收件時(shí)效absolute timeliness 絕對及時(shí)Timeliness coverage 及時(shí)接種率timeliness obstacle 時(shí)效障礙物collective timeliness 實(shí)時(shí)集 返回 timeliness