on-line reference tools 网上参考资料
the on-line reference service 在线参考咨询服务
on-line medical reference work 联机医学参考工具书
These can be "dragged out" of rulers, providing a vertical or horizontal line to reference as you place components on the workspace.
可以从标尺“拖出”这些线，作为在工作区上放置组件时的垂直或水平参考线。
You are on reference line of fairway.
你船在航道参照线上。
Price partitioning is one of management of pricing on-line ; and reference price is also the common way on Internet.
价格划分，是管理线上定价的方法之一；参考价格的应用亦是网路上常见的行销方式。
应用推荐