单项选择题 按用户要求,将所需的各种商品(每种需要量不大)配备齐全,凑成整车后由配送中心送达用户手中,这种配送方式称为( )。A.多品种大批量配送B.少品种大批量配送C.多品种少批量配送D.定时配送
不定项选择 RGB彩色图像的锐化可以对彩色图像的三个分量图像分别进行锐化处理得到。
不定项选择 When a market is monopolistically competitive, the typical firm in the market is likely to experience a positive or negative profit in the short run and a zero profit in the long run.