查询词典 Signal-to-Noise

METHODS: Fourteen patients proved pathologically as brain abscess and 17 cystic/necrotic metastatic tumor underwent conventional MRI and DWI examinations. DWI signal and ADC value were evaluated in cerebritis stage, capsule formation stage, and evolution stage of brain abscess and compared with those of cystic/necrotic metastatic tumor. Chisquared test and t test were performed for statistic analysis.

病理及临床证实脑脓肿14例，坏死囊变脑转移瘤17例，经常规磁共振检查及弥散加权检查，在脑脓肿脑炎期、包膜期及吸收期进行弥散信号及ADC值的测量，并与坏死囊变脑转移瘤相比较，统计学分析采用χ2检验和t检验。

METHODS: Fourteen patients proved pathologically as brain abscess and 17 cystic/necrotic metastatic tumor underwent conventional MRI and DWI examinations. DWI signal and ADC value were evaluated in cerebritis stage, capsule formation stage, and evolution stage of brain abscess and compared with those of cystic/necrotic metastatic tumor.

病理及临床证实脑脓肿14例，坏死囊变脑转移瘤17例，经常规磁共振检查及弥散加权检查，在脑脓肿脑炎期、包膜期及吸收期进行弥散信号及ADC值的测量，并与坏死囊变脑转移瘤相比较，统计学分析采用χ2检验和t检验。

Railway signal is very important as the cerebrum and nerve of the railway.

铁路信号作为指挥行车的大脑和神经，在铁路运输中占有非常重要的地位。

The influence of cerium on cAMP signal system might be one of the mechanisms by which rare earth elements affect living things.

结果提示Ce3+对环腺苷酸信号系统的影响可能是稀土元素对生物的作用机制之一。

Button, signal lamp and change-over switch: adopt Schneider or IDEC product

按钮，信号灯，转换开关等元器件：采用施奈德或和泉产品

Not only it bring some new methods of testing signal and the graph-display of changeful shape,but also source data is may saved.

它提出了信号检测的新方法，新的多方式图形显示，对历史数据的新型存储载体等。

Thus, with the research of traditional channelization and signal control, the optimization has been given from the two sides.

然后，从渠化及信号控制两方面着手，在对其传统方法分析的基础上，提出了相应的优化措施。

The model can provide a reference for improving signal planing, design and channelization of intersections, and analysis of transportation benefit.

该模型可为信号交叉口的信号配时的优化、交叉口设计与渠化、运输成本分析等提供参考。

Inaddition,the length setting of channelization area under signal control was discussed.

此外，本文还探讨了交叉口信号控制下渠化区长度的优化设置。

This paper introduces common background knowledge of intersection, mainly describes traffic control design principle ,such as signal timing and lane channelization.

本文介绍了交叉口的一般背景知识，重点阐述了平面信号交叉口的交通控制的设置原理，包括信号配时原理和路口渠化原理，概括了信号配时和路口渠化原理的本质相同点。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。