侯乘电梯时在未看清电梯轿厢的情况下切忌(),以防坠落进道。
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根据(),可以将物权划分为动产物权、不动产物权和权利物权。
A. 物权之变动是否经登记
B. 物权的发生是否基于当事人的意思
C. 物权之存续有无期限
D. 标的物种类的不同
关于鸟乳花的识别,下列选项中正确的是()。
A. 鸟乳花是百合科多年生球根草本。叶基生,披针形,质厚。花白色,顶生圆锥花序。
B. 鸟乳花是石蒜科多年生球根草本。叶基生,披针形,质厚。花白色,顶生穗状花序。
C. 鸟乳花是石蒜科多年生球根草本。叶基生,披针形,质厚。花白色,顶生圆锥花序。
D. 鸟乳花是百合科多年生球根草本。叶基生,披针形,质厚。花白色,顶生穗状花序。
A customer is evaluating the purchase of a new p570 8-way Express to replace their current set of ten 2-way database and application servers that are more than five years old. In addition to savings potential in the areas of operating system and database charges, what other significant savings component should be highlighted?()
A. Maintenance savings due to warranty on new machines
B. Reliability savings of using one machine versus ten
C. Financial savings due to cash outlays now versus later
D. Power savings even if the current power usage is unknow
羚角钩藤汤与大定风珠在配伍、功用、主治及征候方面有何不同?