How do you express the area as a double integral?
如何用二重积分来表示面积呢？
We do offer express service. But the charge for the workmanship is double.
我们当然提供急件服务。但手工费要加倍。
Especially in foreign giants and postal the double pressure in the market, once limitless scenery of domestic express enterprises are unprecedented serious test.
尤其是在外资巨头和邮政的双重挤压下，曾经在市场上风光无限的内资快递企业受到了前所未有的严峻考验。
His literature creation and literature comments express much double paradox about female viewpoint and female literature images, male hegemony principal words and female critical visual words.
表现在文学创作和文学批评中，存在着妇女观与女性文学形象、男性霸权主体话语与女性反叛形象话语的双重悖反。
Tailor: We do offer express service. But the charge for the workmanship is double.
裁缝：我们当然提供急件服务。但手工费要加倍。
Zhao Li: to paint something on the face is called "Double Mirror" in art history, which is to express a relationship through one part.
赵力：在脸上画一些东西，美术史里叫双重镜像，就是在一个部分去表现一种关系。
The results express that the crash design speed must be determined according to accident probability curve and the double crash design speed is optimum.
结果表明，碰撞设计速度必须根据事故发生的概率曲线而定，最好采用双碰撞设计速度。
The puns are useful techniques which can express double meanings, both get people's attention and lead them fall into imagination in a certain language situation.
双关语是广告创作常用的技巧，它是在特定语言环境中用一种文字形式表达出一明一暗双重意义，既引人注意又能引起联想。
From the double - storey foyer, express lifts reach the office floors above the commercial podium.
两层高的大厅内拥有一快速升降电梯，访客可由此直达商务群房之上的办公楼层。
Rural society in western China missed the express train to industrial development. As a result, they continually suffer the double burden of poverty and drought.
在中国西部的农业社会，没来得及搭上工业化的列车，饱受贫穷与乾旱的折磨。
Rural society in western China missed the express train to industrial development. As a result, they continually suffer the double burden of poverty and drought.
在中国西部的农业社会，没来得及搭上工业化的列车，饱受贫穷与乾旱的折磨。
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