查询词典 discovery

It also led to the discovery in 1916 by Calvin Bridges of the phenomenon of nondisjunction, in which a chromosome pair fails to segregate during meiosis.

伴性遗传又导致了不分离现象的发现，即在减数分裂中，染色体对不分离。

Swanson, professor of information science from the University of Chicago, who firstly demonstrate his idea of noninteractive literature-based knowledge discovery theory based on a huge amount of science literature.

近20年来，情报工作者对这一领域展开了积极探讨，美国芝加哥大学的情报学教授Don R。

If it is feasible, the closed noninteractive literature-based KDD process can be used to prove the legitimacy of the open discovery process. This system also deals with "Title" and "Abstract" respectively in the light of Swanson"s method and retrieves the correct "B" word between the start literature"A" and the target literature"C.

系统采用的是Swanson教授本人的闭合式知识发现算法，同样对标题和摘要都进行了处理，结果发现用标题计算仅能求得部分中间词，而用摘要计算可以求得几乎所有期望得到的中间词，可见此算法处理摘要的效果优于处理标题。

Knowledge discovery;;noninteractive literature;;Swanson;; open process;;closed process

论文导师任道忠；黄水清，论文学位硕士，论文专业情报学

He won a 922 Nobel Prize for developments that led to the discovery of isotopes in nonradioactive elements.

他因在非放射性元素的同位素的发现过程中取得重大进展而获922年诺贝尔奖

He won a1922Nobel Prize for developments that led to the discovery of isotope s in nonradioactive elements.

他因在非放射性元素的同位素的发现过程中取得重大进展而获1922年诺贝尔奖

While in fact the central latitude fault of Tarim eventually was deeply cut by the northwestward movement, which pushed blocks on east of 82°to north at a distance of 50km. This discovery will be greatly helpful in the researches on the basement tectonic of Tarim basin.

利用地球物理研究地壳的深部构造，不仅为地壳的演化和大陆的形成等基础理论问题的深入研究提供证据，而且对划分大地构造单元、分析和预报天然地震的活动性以及研究各种矿产的成矿规律也具有十分重要的指导意义。

DunHuang documents is a valuable information source. It accumulates, exchanges and spreads the cultural information effectively by symbols and carriers on time and space. Furthermore, the discovery of the old newspaper DunHuangJinZouYuanZhuang provides the oldest newspaper's authentic proof for the spreading history of news. So, its value is not to be sneezed at.

由于敦煌文献本身非常有效地在时间上、空间上用符号和载体积累、交流并传播着文化信息，是一种极有价值的信息源；同时敦煌进奏院状的发现又为新闻传播史提供了最早的报纸实证，因而它在传播学方面的价值也非同一般，不容忽视。

Nuclear fission would have been a dramatic discovery at any time.

在任何时候，原子核裂变都会成为引人注目的发现。

The discovery of the heavy nuclear fission and the advance of nuclear energy technology will bring brilliant prospects to mankind.

重核裂变的发现、核能技术的进步给人类带来光明的前景。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。