有关下列两种齿式，正确的是（） ["哺乳动物既有a齿式也有b齿式","爬行动物一般只有a齿式","鲨等凶猛动物是b齿式","猫、虎等肉食性动物可能是b齿式"]
纺丝后加工拉伸过程的进行方式有几种？在生产工艺中如何选取？
小额支付系统的手工监控中查询到一笔“未打印借记往账回执”时，应执行借记往账回执打印交易。
Which of the following statements describes the results of excessive microbiological growths within a fuel system?（） ["all excessive amounts of growth will cause the main engines of the vessel to stall due to the inability to supply the proper quantities of fuel to satisfy the existing load","The deposits produced by these growths form blockages and flow restrictions ultimately leading to improper atomization of the fuel into the cylinders","Eventually the growth of these organisms will deplete the supply of food available to them, which in turn will cause their demise","If continual growth is permitted, a sweet odor similar to that associated with baking will be noticed when system components are opened for inspectio"]
当谈判进入成交阶段，双方已经在绝大多数的议题上取得了一致意见，只在某些问题上相互之间存在分歧、相持不下而影响成交时，可考虑采用（）的策略来解决。 ["退步","当场交易","场外交易","预定"]
熔融纺丝过程中初生纤维取向机理？
