设 x1,x2,x3,x4 为来自总体X的样本,=()
D
暂无解析
There is always a great demand for your goods if they are of good quality and competitive____ prices.
Our customers find your goods quite ______.
在交易磋商过程中,发盘是卖方作出的行为,接受是由买方作出的行为。
____shipment, please amend the L/C to allow transshipment.
专利权是以技术发明为()。