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- MR signal can be "weighted" to accentuate some properties and not others. 磁共振信号能够被“加强”以增加某些性质及减弱其它的性质。
- Methods The metabolic and hemodynamic changes induced by the functional activities in brain cortex and the relationship between these changes with the local MR signal were summarized. 方法对大脑皮层功能活跃可引起的功能区代谢变化和血液动力学改变,以及这些改变对MR信号的影响进行了总结。
- Results The changes in blood oxygen level and the increased artial inflow result in the brain cortex functional MR signal, which displayed as slightly increased signal intensity in the active cortex. 结果脑功能磁共振信号的产生主要与功能区血氧含量的改变、动脉血供增加引起的流入效应等因素有关,主要表现为功能区信号增高。
- Mr Jones has a long history of heart trouble. 琼斯先生有长期的心脏病史。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- Mr Evans is a Londoner born and bred. 埃文斯先生是个道地的伦敦人。
- Mr Andrews is a Scot, he belongs to Glasgow. 安德鲁斯先生是苏格兰格拉斯哥人。
- Mr Stuart and his wife are always at loggerheads. 斯图尔特先生同他妻子老是吵架。
- I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。
- Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。
- May I present Mr Robinson to you? 可否让我向你介绍罗宾逊先生？
- A red lamp is often a danger signal. 红灯常常是危险的信号。
- Do you know why Mr Brown has a heavy heart? 你知道为什么布朗先生心情不愉快吗？
- A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。
- John Dennis was hat in hand to Mr Smith. 约翰·丹尼斯对史密斯先生必恭必敬。
- The rise in prices was a signal for rebellion. 物价上涨引起了叛乱。
- Mr Green is a professor in name but not in reality. 格林先生是徒有虚名的教授。
- Mr Smith told me to hold on to my oil shares. 史密斯先生叫我不要卖掉石油股票。
- Our firm is represented in India by Mr Hall. 我公司驻印度代表是霍尔先生。
- Poor Mr White dropped dead in the street yesterday. 可怜的怀特先生昨天突然死在大街上。
