查询词典 evolution

By direct numerical simulation of Navier-Stokes equations we investigate the three-dimensional evolution of a mixing layer, the three-dimensional merger of two parallel vortex tubes and reconnection of two antiparallel vortex tubes in the thesis.

本文用拟谱方法求解Navier-Stokes方程，对小扰动下平面混合层随时间的演化、同向平行涡管的三维合并和反向平行涡管的重联进行了直接数值模拟。

This paper elaborates on the concept of directed molecular evolution, procedure, basic strategies, and its core technology, then presents emphatically its application and achievements in improving enzyme activities, stability, substrate specificity, and antipode selectivity and so on.

本文详细综述了酶的分子定向进化的概念、过程、基本策略及其核心技术，并着重介绍了酶的分子定向进化技术在提高酶的活力、稳定性、底物特异性和对映体选择性等几方面的应用及取得的相关成果。

The linear theory of antisymmetric ducted gravity waves supported by mesospheric thermal duct is presented, propagation and evolution of gravity wave packets in thermal duct is also simulated by using a nonlinear two-dimensional model. Numerical results show that lower atmospheric wave disturbance can penetrate into the duct area and be trapped.

给出了重力波在中层大气温度波导中的反对称形式导制传播的线性理论模型，并采用二维非线性的数值模型对重力波波包在中层大气温度波导中的传播和演变过程进行了模拟研究。

Objective To evaluate MSCT signs evolution of older secondary pulmonary tuberculosis to antituberculous therapy.

目的探讨老年继发性肺结核抗结核治疗后多排螺旋CT征象的演变特征。

Results The aorta and its major branches are frequently involved in aortitis syndrome, and the steno-occlusive type is common. CT and MRI can demonstrate variable evolution of vascular lesions.

大动脉炎综合征多部位血管受累多见，以狭窄-阻塞型常见，MR及CT可观察血大动脉炎病变血管壁病理改变。

Editor: William McAloon编辑:威廉McAloon The evolution of the national art collection is closely linked with the story of Aotearoa New Zealand itself – its places, its people and their passions, and its developing sense of identity.

演变的国家艺术收藏品是紧密联系在一起的故事奥特雷新西兰本身-它的地方，它的人民和他们的激情，它的发展认同感。

In addition, it also is not a kind of norms or technology likewise, however a kind when the network evolves into a process appellative, during representing a network to develop in evolution, be united in wedlock cheek by jowl with what the user interacts.

此外，它同样也不是一种规格或技术，而是网络演变过程的一种通称，代表网络在演化发展之际与用户互动的紧密结合。

The article sets out from strategic administration point of view, through inspecting the academic evolution of SCP Fan Shi, analyse SCP Fan Shi and strategic management concern, pointed out the blemish of SCP Fan Shi, the English initial abbreviate that offers preference of SBBC(market structure, client, management concept and company ability then is appellative) Fan Shi, the objective that undertook to classical SCP Fanshi better with achieving directive strategy runs practice complementing benignantly.

本文从战略治理角度出发，通过考察SCP范式的理论沿革，分析SCP范式与战略治理关系，指出了SCP范式的缺陷，进而提出SBBC(市场结构、客户偏好、经营理念和企业能力的英文首字母缩写通称)范式，对经典SCP范式进行了有益补充以达到更好指导战略治理实践的目的。

Traditional statistics is mainly conducts the research to the sample number approach in the infinity time evolution theory, but counts the theory of learning is conducts the research to under the small sample condition theory of learning.

传统统计学主要是对样本数目趋近于无穷大时的渐进理论进行研究，而统计学习理论则是对小样本条件下的学习理论进行研究的。

On the base of classification of morphology, we studied morphology, cytology and molecular biology of Lilium sulphureum Baker apud Hook. f. in Yunnan By principles of population biology. We synthetically discussed intraspecific differentiation and evolution, from four biotic levels of population, individual, cell and gene.

本文在形态分类的基础上，根据居群生物学的原理和方法，对淡黄花百合的形态学、细胞学、分子生物学进行了研究，从居群、个体、细胞和基因四个层次综合探讨了该种植物的种内分化与进化。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。