Shortcut keys , such as ctrl c for copying , provide keyboard alternatives to selecting a command with a mouse or other pointing device 快捷键（例如，用于复制操作的ctrl + c ）提供了代替鼠标或其他指针设备选择命令的键盘操作方式。
The producing technology , technologic parameter and choice of equipment of concentrated wild cherry plum pulp were introduced . the product quality standard were established 摘要介绍了浓缩野樱桃李浆的生产工艺、技术参数、工业化生产设备选择要点，并制定了产品质量标准。
With an actual project , concludes that the ventilation equipment can be smaller in capability when considering the effect of natural ventilation , consequently energy consumed being less 结合具体工程，通过分析计算得出了考虑自然通风对通风设备选择的影响可以减小通风设备容量，从而节约能源。
The punch - pressing technologic analysis subsystem involves four functions : technical analysis , calculating technical dimension , calculating technical forces , selecting the punch - pressing equipment 冲压工艺分析计算子系统具有四个主要功能:工艺性分析、工艺尺寸计算、工艺力计算、冲压设备选择。
Introduces a method to calculate the equipment capacity of ice - storage air conditioning system in the condition that the cooling load of buildings is sometimes less than that supplide by the chiller operating compltely and this load is thus supplied by the chiller operating under - capacity 介绍了冰蓄冷空调设计中建筑物某些时刻的冷负荷小于制冷机的全额供冷量而由制冷机减负荷运行供冷的设备选择计算方法。
