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- Double medium blue/lighter band, white edge. 重瓣中蓝色花，比较亮的晕边，白色细镶边。
- Double medium blue star/white ruffled edge. 重瓣星型花，中蓝色镶有白色折边，
- Double medium pink. Mosaic variegated medium green. Semiminiature. 重瓣中粉红色花。中绿色马赛克斑。半迷你型。
- Double medium blue star/white ruffled edge. Medium green, pointed, wavy. Standard. 重瓣星型花，中蓝色镶有白色折边，中绿色叶，波浪尖型叶。标准型。
- The author discussed the initial boundary problem of a parabolic equation systemdrawn forth from the horizontal well analysis in the double medium reservoir and get this problem's analytic expressions. 研究了双重孔隙介质储层中水平井试井分析引出的一类抛物型方程组初边值问题,得到了该问题的精确解的解析表达式,此结果对确定油气储量和地质参数是一个有力的工具。
- Apply the material of static and dynamic state, in accordance with the factor ( reservoir and the development factor ) that influences the carbonate oil reservoir development, with the double medium model is developed the oil simulation. 利用动静态资料，针对影响碳酸盐岩油藏开发的因素(储层因素和开发因素)，以双重介质模型开展油藏机理数值模拟。 其中，地质因素包括岩石的润湿性、毛管力、裂缝渗透率及裂缝密度等；
- Equations of transport model of leachate for porous media and double media are given.Generalized upwind scheme is used to solve the transport model of leachate and to eliminate numerical dispersion. 本文通过对淋滤液运移模型的研究，给出了多孔介质和双重介质淋滤液运移模型的定解问题，采用广义迎风格式求解淋滤液运移模型，消除数值弥散。
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
- He was so fat that he had a double chin. 他胖得有双下巴了。
- The carpet is too thick to double up. 这地毯太厚没法折叠。
- Is the material single width or double width? 这幅料子是单幅的还是双幅的？
- Reserve double room June fourth to tenth inclusive. 预订双人房间，六月四日至十日，共六晚，望订妥复电。
- In this case, I can double for penalty. 假如这样的话，我可以叫加倍了。
- Can you tell me the rate for a double room, please? 请告诉我一间双人房的费用可以吗？
- The soldiers came at the double. 士兵们是急行军来的。
- A couch performs a double service. 躺椅有双重的服务。
- Look, double yellow lines you mustn't park here. 喂，这是双黄线--不能在这儿停车。
