查询词典 algebraic closure operator

Due to apparent moves by NASDAQ to acquire the London Stock Exchange, NYSE Group offered 8 billion euro ($10.2b) in cash and shares for Euronext on May 22, 2006, outbidding a rival offer for the European Stock exchange operator from Germany's Deutsche B?rse, the German stock market.

纽约-泛欧交易所集团（NYSE Euronext，NYSE： NYX，Euronext： NYX）由纽约证券交易所集团和欧洲证券交易所合并组成，于2007年4月4日在纽交所和欧交所同时挂牌上市，交易代码为NYX。

In negative inducible operons , a regulatory repressor protein is normally bound to the operator and it prevents the transcription of the genes on the operon.

在负向可诱导操纵子中，一个调节的阻遏蛋白质一般会与操纵基因结合，并阻止操纵子中基因的转录。

For example, in the expression x + 2, x and 2 are operands and + is an operator.

例如，在表达式 x + 2 中，x和 2 是操作数，而+是运算符。

Let's consider how and where a service gets the operands it uses to prepare an operator message.

让我们考虑一下，一个服务怎样和在哪里获得它用来准备操作符消息的操作数。

More complicated expressions are formed from an operator and one or more operands.

较复杂的表达式则由操作符以及一个或多个操作数构成。

Plate mechanism cards and membership card making, the operator found just print-out printed matter, there is a background like floating oil as dirty.

印版上机制卡和会员卡制作后，操作人员发现刚印出来的印品，底色上有一块像油一样的浮脏。

At the same time, it is p ointed out that the operator should enhance regulation and examination in test to ensure （5±0.2）℃/min for the temperature rising rate and 1.12～1.14g/mL for the glycerol density by the standard demand.

同时指出，测试人员应加强调试和检测以确保检验标准要求的（5±0.2）℃/min的升温速度和1.12～1.14g/mL的甘油密度。

Considering that oilcans, the major part of oil storeroom object, show circular figure with higher grayness, this research adopted Sobel operator to detect the edge of images; then located the circles which have definite size through hough transform; finally, the areas of oil storm were found out and their positions were accurately located based on the circles' space distribution and their quantitative relationships.

鉴于油库目标的主要组成部分——油罐在遥感图像中呈灰度较高的圆形的特点；本文首先对遥感图像采用sobel算子提取图像边缘信息，然后利用边缘信息和改进hough变换提取图像中限定大小的圆的位置，最后再根据图像中提取出的圆的空间分布和数量关系找出油库区域并对其进行精确定位。

An experienced operator can also choose a special guide wire used for other chronic occlusions.

有经验的术者还可以选用其他用于慢性闭塞的特殊引导钢丝。

The score system and the predicted 5- and 10-year HCC risks were further translated into nomograms. The predictive accuracy was evaluated in terms of discrimination and calibration abilities with the use of Receiver Operator Characteristic curve and area under the ROC curve; and the calibration chart.

模式的预测准确性以两个面向来评估，包括：鉴别能力以ROC曲线及曲线下面积来估算；及校准能力以校准图来量测。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48