作业在某车间中的特定工作地或加工中心流动所花费的时间长度称为（）。 ["作业通过时间","作业延期时间","时间跨度","平均作业数"]
文体明星模型模型属于（）。 ["年金策略","杠铃策略","非典型年金策略","非典型杠铃策略"]
就人类认识来说，概念（）是一种发现过程。 ["形成","迁移","发展"]
Battens are fitted in cargo holds across the frames of the vessel from the turn of the bilge upward. The purpose of these cargo battens is（）. ["for securing a snatch block when snaking cargo into the wings of the hold","to prevent cargo from coming in contact with the vessel's frames or shell plating","to provide fittings to which cargo lashings may be secured","to support the dunnage floors which are laid down between tiers of cargo"]
SDH的复用采用（）。 ["同步复用、按比特间插","同步复用、按字节间插","异步复用、按比特间插","异步复用、按字节间插"]
DNS域名解析的方法主要有（），（）和（）。
