He heavily underscored his note to Shelley.他在给谢利的便条内容下面重重地画了线。Such extreme weather underscored the need to develop accurate long - range forecasts.这种极端的天气情况强化了发展准确的 长期 天气预报的需要.The anticipation strategy always been unders...
This paper retrospects the history and motives and happening in Chinese media marketing.本文追溯我国传媒市场化的发生发展历史和动因.In this composition , first , it confirms the definition, and retrospects the origin, development, and venatio...
离子交换器离子交换器有复床和混床之分.Ion exchange equipment has the duplicate bed andmixed bed.图二到图六显示交换器的基本操作.Figures through show the basic operations of a switch.确认交换器完全组装好, 并经过测试与排水.Verify exchanger is completely assembled, tested, an...