查询词典 observational error

objective to evaluate and compare the efficacy of periocur or formocresol as intracanal medicament in root canal therapy of chronic teeth apicitis.methods 256 cases with chronic apicitis were divided randomly into the observational group （use periocur as intracanal medicament） and the contol group （use formocresol as intracanal medicament）,and investigated the clinical effect after one week.results the effect of periocur and fc is similar.

目的 观察periocur消炎液用于根管消毒的临床疗效。方法选择256例慢性根尖周炎病例，随机分成观察组（periocur消炎液组）130例、对照组126例，观察根管封药1周后的临床疗效。

Most bloom economics studies are observational, and can alone accord associational evidence.

大多bloom经济研究都富有观察力，并且能独立给出联想性证据。

The observational study of extragalactic H2O megamaser sources and molecular emission lines associated with AGNs is a very efficient tool to investigate characteristics of certral sources in AGNs and circumnuclear toruses of gases and dusts.

对与活动星系核成协的河外超脉泽源及分子谱线的观测和研究是探测和研究活动星系核核区中央源、拱核气体和尘埃环性质的非常有效的工具。

In addition, the observational fact of condensational latent heat release promoting the forming of high level baroclinically unstable wave is also verified.

并且还论证了凝结潜热释放可促进高层斜压不稳定波动形成的观测事实。

While observational studies have shown that diets rich in cruciferous vegetables may reduce the risk of prostate cancer and other chronic disease, they do not provide an explanation of how this occurs.

同时，观测研究表明，饮食丰富，十字花科蔬菜可能会减少的风险，前列腺癌和其他慢性疾病，他们不提供一个解释如何出现这种情况。

By analysing the rock mass structure, deformation history, deformation relics and observational data, the model of deformational fracture is obtained.

对I区的岩体结构、变形历史、变形形迹、观测资料进行了分析，得出了I区目前正在酝酿形成一个整体滑坡。

After analysis and study of characters of observational parameters of these extragalactic H2O megamaser sources, the correlations among them have been obtained as follows: lg S peak is anticorrelated with lg V sys and lg D , respectively.

通过对这些河外H2O超脉泽源的观测参数的特征的分析和研究，得到这些观测参数之间的相关关系为：河外H2O超脉泽源的峰值流量密度的对数分别与系统速度的对数和距离的对数之间存在着反相关关系。

I discuss the ways Manson trained and utilized his Chinese assistants, and argue that he relied on his assistants to procure ample amounts of research material and observational data which enabled him to enlarge the scale of his research and eventually led to his discovery of filarial periodicity.

显微镜对於当时的寄生虫学研究有很大重要性，然而，成功的显微镜观察依靠的不只是高倍率显微镜与观察者敏锐的视觉而已，还需要一整套科学实作的支持，才有可能在显微镜下看到寄生虫。

According to the functional models and stochastic models of GPS/DR, the paper presents three adaptive fusion methods based on currently statistic models, testifies the validity of fusional methods by practically surveying data and resolves adaptive problem owing to the lack of observational information.

根据GPS/DR的函数模型和随机模型，结合当前统计模型，提出了三种白适应融合方法。通过实测数据验证了本文提出的融合方法的正确性。

The first part is a summary of the late thirty years′observational materials, it divides the Active Galatic Nucleis into ordinary AGNs and Blazer, according to the radiation origin of thermal radiation or non-thermal radiation, and the view is strongly supported here.

论文的第一部分综述了活动星系核近三十年来的观测资料，充分地肯定了根据活动星系核的辐射起源而把它们划分为以热辐射为主的普通活动星系核和以非热力学辐射为主的布莱扎天体这一观点。

He became prime minister in 1997 and won international acclaim for his role in the Northern Ireland peace process.

他在1997年成为总理，并且因为在北爱尔兰的和平进程中发挥的作用受到国际社会的赞许。

Mixed Page Sorting Method Using the cuttable user model, this thesis proposes a mixed page sorting method by using cutted user model in server-side and complete user model in client-side.

隐私分级利用的混合式页面排序方法针对个性化搜索中搜索结果排序的问题，本文利用隐私可控开放的用户偏好模型，提出一个在客户端和服务器端分步进行的隐私分级利用的混合式页面排序方法。