查询词典 occurrence

Comprehensive presurgical examinations, precise diagnosis, and the surgeon's experiences may have influence on the incidence of these risks. In this article, a case of displacement of dental implant into maxillary sinus was presented. We also discussed the possible occurrence reasons and the ways how to resolve and avoid it.

充分的术前检查、诊断与医师的经验及熟练度，往往会影响术后发生并发症的机会，本文将提出一个病例，发生人工牙根位移到右上颚窦内，经转诊到本院来处理，并搜寻相关文献探讨其可能的发生原因、解决方法、预防之道。

Every action, and a fortiori every use case, has a name, a goal, a list of participants (usually two in business analysis) and a list of parameters: the objects involved that are different from one occurrence of the use case to another.

每次行动，和更不必说每个用途案件，有一个名字、一个目标、参与者名单并且参量名单：是与用途事例一发生不同到另一个的对象介入了。

And it is also a principle of preventing the occurrence and the progression of a disease in TCM.

它也是中医防止疾病发生和发展的原则。

These data,especially the seiches with relatively large amplitudes,were examined by using statistics and natural period analysis.Basic chracteristics of seiches,such as monthly and annual occurrences,oscillation period, occurrence duration and occurrence time of the peak,were derived. Among these 20 tide-gauge stations...

结果表明，该海域主要港湾假潮出现具有明显的局地性、季节性和年际变化；夏季是大振幅假潮(振幅1 )≥ 80cm的多发期，冬季基本上不出现；龙口港湾的大振幅假潮最为突出，最大振幅可达 2 93cm ；气压和风速、风向突变的良好配合，是发生大振幅假潮的主要原因

Key factors affected wheat midge occurrence of Guanzhong district are the average daily temperature in January, the average daily temperature in March (X3), the average daily temperature in August of last year (X5) and precipitation in February (X8).Six prediction methods are selected to predict occurrence level of wheat midge.

本论文利用关中地区1933～2000年小麦吸浆虫的发生资料以及气象资料，通过逐步回归法筛选出了影响小麦吸浆虫发生的主要气象因子，即一月份平均温度(X_1)、三月份平均温度(X_3)、前一年八月份平均温度(X_5)、二月份平均降雨量(X_8)。

2 Where an occurrence takes place outside the operational area of an Official Observer, the occurrence may be certified by two independent witnesses within whose skills or competence it is, who give their addresses and state in writing the information required by the pertinent section of the Sporting Code.

发生於正式观察员业务领域以外的事件，可由两个独立证人於其技能或能力范围内进行认证，提供他们的意见并以书面陈述运动规则相关篇章所需的资料。

2 Where an occurrence takes place outside the operational area of an Official Observer, the occurrence may be certified by two independent witnesses within whose skills or competence it is, who give their addresses and state in writing the information required by the pertinent section of the Sporting Code.

发生於正式观察员业务领域以外的事件，可由2个独立证人於其技能或能力范围内进行认证，提供他们的意见并以书面陈述运动规则相关篇章所需的资料。

This thesis discusses the historical social condition to the occurrence of multiversity by Clark Kerr firstly, after the simple introduction about Kerr and his practical activities. the main dissertation is about the ages of background and the original theories to occurrence of multiversity.

本论文首先论述克拉克·克尔的多元化巨型大学观产生的社会历史条件，在简单介绍克尔的生平和实践活动之后，主要对多元化巨型大学观产生的时代背景以及理论渊源作了详细论述。

The occurrence time of 6 events were about 35250,20250,14750,12150,8550 and 4000a B.P.,respectively, the occurrence intervals were about 15000,5500,2600,3600 and 4550a,respectively.

各次事件的重复间隔依次是15000、5500、2600、3600和4550年。

The occurrence percentage of GAB in surficial layer of sediment was higher than that in the other layers. The occurrence percentage, abundance and its variation of GAB in Bering Sea were higher than that in the Chukchi Sea respectively.

结果表明，水中GAB检出率大于沉积物，但丰度仅为后者的 0 。0 7%；表层沉积物中GAB检出率高于其它层次；白令海GAB检出率、丰度及变幅均高于楚科奇海。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。