【多选题】根据《跟单信用证统一惯例》(UCP600),在可转让信用证业务中,下列哪些认识是正确的?( )
【多选题】下列体现了《旅游法》的规范功能的有( )。
D.
对旅游发展规划、统筹旅游资源保护和开发进行了规定
【单选题】夹紧力的方向应尽量垂直于工件的主要定位( )。
【判断题】产品生命周期是指产品的自然寿命或使用寿命
【单选题】护士为颅内高压的患者输注20%甘露醇250ml,静脉滴注的时间要求是
【判断题】The author Qu Yuan is a great poet and the first writer to have his name associated with his work in the history of Chinese literature.
【判断题】Decide True or False: The author Qu Yuan is a great poet and the first writer to have his name associated with his work in the history of Chinese literature.
【判断题】夹紧力的方向应有利于减少夹紧作用力,所以夹紧力最好和重力、切削力同向,且垂直于工件的定位基准面。
【简答题】产品的生命周期是指产品的使用寿命。( )