这两种范围对于决定引用项目的位置以及项目的存储周期的长短非常重要。
These two types of scope are important in determining where an item can be referenced and how long the item persists in storage.
存储周期性产生的QT间期值，并且使趋势显示能够示出在不同时期的QT间期信息的改变。
The periodically produced QT interval values are stored and a trend display may be produced showing changes in the QT interval information over different periods of time.
以平齐堆码的瓦楞纸箱为对象，针对不同的存储周期，研究了堆码时间对瓦楞纸箱堆码强度的影响。
According to different storage period, the effect of stacking time on stacking strength was studied with the object of corrugated carton of plan stacking.
以平齐堆码的瓦楞纸箱为对象，针对不同的存储周期，研究了堆码时间对瓦楞纸箱堆码强度的影响。
According to different storage period, the effect of stacking time on stacking strength was studied with the object of corrugated carton of plan stacking.
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