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The results show that, when the computational error and its accumulation are eliminated effectively, the laminar flow in OFR with perfect-symmetric boundaries behaves in a pattern of central symmetry and circumferential uniformity while the turbulent flow field presents a centrally symmetric and circumferentially non-uniform structure with 8 transverse vortices arrayed circumferentially in a way of central symmetry, similar to Taylor vortices in Couette flow.

模拟结果表明在有效消除计算随机误差以及误差积累的情况下，几何边界理想对称OFR内的三维层流流场呈现出良好的中心对称性和周向均匀性，而湍流流场中心对称的同时呈现出周向非均匀结构－在圆周上生成8个中心对称排列的横向漩涡，其形态与Couette流中的泰勒涡类似。

Salix has its especial characteristic and a number of function of uptaking and accumulation in environment pollution on cadmium.

柳树以其自己特有的生物学特性，对环境Cd污染具有一定的吸收蓄积能力。

Since the founding of the People's Republic of China, the CPC and the people's government under its leadership, according to the needs of the development of the form of China's state structure, the relationship between the central and the regional and the distribution of the administrative areas, so as to promote the development and perfection of the form of state structure, also accumulation a series of characteristic historic experience.

新中国建立以来，中国共产党和由其领导的中央人民政府根据经济、社会发展的需要，对国家结构形式的两个主要方面，即中央与地方关系和行政区划进行了不断调整，积极推动了国家结构形式的发展和完善，积累了一系列独具特色的历史经验。

Ken Rogoff of Harvard cheekily characterised the vast Chinese accumulation of US Treasury bonds over the past five years as the biggest foreign assistance programme in history.

哈佛大学的肯·罗格夫恶作剧地将中国过去5年累积大量美国国债的行为，描述为有史以来规模最大的外国援助项目。

The article introduces the concept and characteristics of "chemical time bomb",and points out that the accumulation process of heavy metallic elements in soil is the typical "geochemical time bomb",which will result in huge loss once it erupts.

化学定时炸弹(chemical time bomb，CTB)是奥地利科学家W.M.STIGLIANI于1990年正式提出的，定义为"化学定时炸弹的概念涉及一系列事件。使长期储存于土壤及沉积物中的化学物质活化，引致延缓而突然爆发的有害效应"。

Level B of the original soil in the middle due to incomplete leaching of base to form a deposition layer, calcium carbonate accumulation become so obvious that Chernozem.

平B原中部因土壤中盐基淋洗不完全，形成淀积层，碳酸钙积聚明显，成为黑钙土。

Chernozem layer with the topography and different degrees of surface evaporation, there is meadow chernozem (humus content was high, a large number of stain and iron-TB), carbonate Black calcium soil (surface with carbonate accumulation) and the black soil salinity and the saline soil.

黑钙土层随地势和地表蒸发程度的不同，有草甸黑钙土（腐殖质含量高，有大量锈斑和铁质结核）、碳酸盐黑钙土和盐渍化黑土和盐渍土。

An exposure experiment was made to study the effect of copper at different concentrations on its accumulation and CAT activities in gills, muscle and visceral mass of Chlamys farreri.

采用暴露实验方法，研究了不同浓度的Cu(Cu2+)对栉孔扇贝鳃、肌肉、内脏团组织中Cu蓄积量及过氧化氢酶活性的影响。

The effect of C/N ratio and light intensity on the astaxanthin accumulation of Chlorella zofingiensis was studied in this research.

本文研究了碳氮比和光强对小球藻Chlorella zofingiensis合成虾青素的影响。

The effects of GA3 and IAA with different concentrations and combinations on the dynamic accumulation of holocellulose and chlorophyl content in Neosinocalamus affinis were studied.

以慈竹为材料，研究不同浓度和配比的GA3和IAA对综纤维和叶绿素含量动态积累的调控效应，为纸浆用竹的遗传改良研究提供理论依据。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。