| 1. | Word occurrence rates
词语出现频率 |
| 2. | Our estimated occurrence rate and incidence of eod were similar to the european estimates
今后我们应在产前预防方面加以研究。 |
| 3. | According to statistics of the nm center , the failure occurrence rate of the whole network dropped to a new low during the apec summit
据网管中心统计，在apec会议期间全网的障碍率降低至历史最低水平。 |
| 4. | Discussion : early functional exercise after the breast cancer operation can obviously reduce the occurrence rate of upper limb disorder and greatly improve the quality of the patient ' s life
提示乳腺癌患者术后进行早期功能锻炼，可明显降低上肢功能障碍的发生率，明显改善患者的生活质量。 |
| 5. | Diabetes is a kind of disease in internal secretion and metabolizability . with factors such as the constant development of social economy and aging of human beings , the occurrence rate of this disease demonstrates a climbing curve
糖尿病作为内分泌代谢性疾病,随着社会经济的不断发展以及人口的老龄化等因素,均导致该疾病的发病率呈现不断上升的趋势。 |
| 6. | In real life it is classified , and concrete representation is put forward through three criteria concerning graduates " employment rate , educational benefit dispersion grade , and overeducation occurrence rate . the uncertainty of the relation betw
对现实生活中教育与就业关系的不确定性进行了归类，提出通过毕业生就业率、教育收益离散程度、教育过度发生率三个指标来进行具体表征。 |
| 7. | Results occurrence rate and mortality of acute renal failure induced by antimicrobials , the urological system drugs and traditional chinese medicines occupied the top 3 places in sequence , and drugs for intravenous administration resulted in the highest rate ( 43 . 87 % ) followed by oral drugs ( 42 . 29 % )
结果抗微生物药物、作用于泌尿系统药物、中草药致急性肾衰竭的发生率及死亡率居前3位，静脉用药的发生率最高( 43 . 87 % ) ，其次为口服用药( 42 . 29 % ) 。 |
| 8. | A new model was presented in a three dimensional geographic coodinate system to describe the linear growth of r - t instability so that the effects of magnetic inclination and declination were taken into accont . it is an generalization of former theories from equatorial to mid - latitude regions . from this model one can see the influence of magnetic strength , inclination and declination . due to the magnetic effects , the occurrence rate of the instability is not symmetric in longitudes even at the magnetic equator . some occurrence peaks or valleys will appear in certain places around the world
从三维地理坐标系出发建立模型，考虑了地磁倾角和偏角的影响，研究spread - f现象的全球分布特点，是对以前的研究从赤道地区向中低纬度地区的推广。从该三维模型中可以看到地磁场的大小和位型的影响包括磁倾角和磁偏角的效应。由于地磁位型的不同，发生率的分布并不具有经度对称性，即使在磁赤道附近也如此。 |
| 9. | This thesis focuses on techniques of dynamic fault tree in system reliability modeling and its qualitative and quantitative analysis . it studies bdd solution for static sub trees 、 markov chain solution for dynamic sub tree briefly and the modularization of dynamic fault tree ; presents the algorithm for top event occurrence rate of dynamic fault tree based on weibull distribution . then this thesis presents a new approach to solve top event occurrence rate and a new generation algorithm of minimal cut sequence of dynamic fault tree that deviate from markov model completely
本文着眼于动态故障树在系统可靠性建模及定性定量分析中的技术,研究了基于bdd的静态子树分析方法、基于马尔可夫模型的动态子树分析方法以及动态故障树模块化方法,并提出了基于威布尔分布的动态故障树顶事件发生概率计算方法;提出了一种完全脱离马尔可夫模型的求解动态故障树顶事件发生概率的方法和一种最小顺序割集的生成方法。 |
| 10. | The vehicle traveling data recorder is a system of tailing and recording the status of vehicle timing traveling , which is made based on the principle of airplane “ black box ” for reducing the traffic accident ' s occurrence rate and inquiring and according the timing vehicle traveling data to judge the driver ’ s driving status after the traffic accident occurrence , it ’ s be called “ car black box ” sometimes
汽车行驶记录仪是人们为了降低交通事故的发生率以及在发生交通事故后可以查询依据的判断司机驾驶状况的实时数据,根据飞机“黑匣子”的原理而研究的监控记录汽车实时运行状况的系统,俗称“汽车黑匣子” 。 |
