查询词典 semi-desert

Radiate environment a bottom the semi-conductor spare part of the work with pit under the space environment, need to have a stronger nti- radiation ability because of exposing in the bad radiation environment over a long period of time.

在空间环境下和核辐射环境下工作的半导体器件，由于长期暴露在恶劣的辐射环境中，需要具有较强的抗辐射能力。

YOKOHAMA - The club World Cup semi-final between Urawa and Milan was transmitted by NTV and Nippon Tv, and was followed by 30 million Japanese, with a share of 23%.

横滨－由NTV和日本电视台转播的米兰与浦和红宝石之间的世界俱乐部杯赛半决赛吸引了三千万日本电视观众，收视率为23%。

The main results can beexpressed as follows:(1)Based on πtheory, some affected factors about wave forces are given, and therelation between affected factors and wave forces is analysised by experimentalresults.(2) The distribution of wave press at representative time and reflection nature aregiven and their variety charactes are discussed by experimental results.(3)By comparing the wave forces of quarter-circular breakwater and semi-circularbreakwater under the same wave conditions,some approximately wave forcesexpressions of quarter-circular breakwater are given.(4)Based on VOF method to trace water free surface,solve numerical value ofRANS equation,and get the distributions of flow field and wave press ofquarter-circular breakwater at the same time during one period,the mechanism ofwave force is also discussed elementarily.(5) Based on the result that RANS equation of numerical simulation agree wellwith experimental results,a new approach to study hydraulic natures of quarter-circular breakwater is provided.

其主要结论如下：一、通过π定理，确定影响波浪力的无因次参变量，根据试验结果对其影响因素进行分析；二、基于模型试验，给出典型时刻圆弧面防波堤的同步波压分布和反射特性，讨论它们的变化特点；三、通过相同条件下圆弧面防波堤与半圆型防波堤两种堤型试验波浪力的比较，给出了圆弧面防波堤波浪力的近似方法；四、利用VOF法追踪自由水面，数值求解RANS方程，得到圆弧堤堤体周围的流场和压力场，初步分析了速度涡流与压力场的相互影响；五、对比数值分析与试验结果，探讨数值方法研究圆弧面防波堤水力特性的可行性，提供新的研究途径

It has a succession of semi-autocratic leaders — ranging from Boris Yeltsin and Vladimir Putin to their successors. The Kremlin is controlled by a tight coterie. Intrigues abound — and the Orthodox Church is conspicuous by its presence and its obscurantism.

伴随着一些兴旺的部门，俄国经济在繁荣与衰败之间痛苦地摇败，余下的寡头集团与克林姆林宫共同谋划着掌控"制高点"，也就是关键经济部门，如能源和媒体。

Was a man of unyielding integrity, free from all sycophancy or obsequiousness;this quality is invaluable among colonial and semi-colonial peoples.

鲁迅的骨头是最硬的，他没有丝毫的奴颜和媚骨，这是殖民地半殖民地人民最可宝贵的性格。

Qualitative and quantitative methods, such as concept mapping, teacher professional function systematic observation instrument, and semi-structured interviews, were used to collect data.

参与研究的对象为八位体育初任教师，采质量相辅的研究方法进行研究，工具计有概念构图、教师专业功能系统观察法、半结构式访谈等。

The relation between different BMPRIB genotype in Small Tailed Han sheep and FSH receptor or LH receptor mRNA levels during the oestrum was studied by semi-quantity PCR.

4利用半定量PCR技术研究发情期小尾寒羊BMPRIB基因型与ERα和PR的mRNA表达量的关系。

The relation between different BMPRIB genotype in Small Tail Han sheep and ERa or PR mRNA levels during the oestrum was studied by semi-quantity PCR.

这表明小尾寒羊多胎性可能与PR mRNA表达量有关而与ERa表达量无直接关系。

Spot oilstone sand, the origin Dafang, the Chinese side, small square, square, round semi-circular, triangular, single, double, such as multi-species (ruby, agate, boron carbide, silicon carbide, white corundum, fiber ), full-size (180 #-1500 #) Die dedicated, grinding special jade.

现货油石砂条，产地大方，中方，小方，方，圆半圆，三角，单，双面，等品种多(红宝石，玛瑙，碳化硼，碳化硅，白刚玉，纤维)，粒度全（180#-1500#）模具专用，磨玉专用。

The scale analysis on planetary scale motion in the tropical atmosphere shows that the equilibrium between the pressure gradient force and Coriolis force in the meridional direction is easily established, which is known as the zonally semi-geostrophic motion.

对热带大气行星尺度运动所做的尺度分析和物理分析表明：热带大气的行星尺度运动在y方向容易实现气压梯度力与Coriolis力的平衡，它称为纬圈的半地转运动。

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。