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Then, the fronts .of different intensities are superposed on the orographic disturbances and pushed by basic geostrophic flow to climb over the orography.

通过非静力模式讨论了两维地形扰动与锋的相互作用,研究了不同基本气流,包括正压、斜压、层结强弱差异,不同尺度的地形,包括不同高度和不同宽度,强弱不同的锋等多种情况下地形扰动与锋扰动的相互影响,发现地形尺度和气流的性质不同带来的结果是有差异的,中尺度地形使冷锋在迎风坡锋消,在背风坡则是锋生和锋消相间的波状分布,表现为锋在山顶附近锋生、快速下坡过程中锋消和山脚处锋生的分布特征,这与半地转模式中地形的动力作用使冷锋在背风侧单纯加强是不同的。

Results Sacroiliac joints in 62 cases were abnormal:in early stage,articular face was affected and the bone cortex incrassated and osteosclerosis partly,joint space was normal;in late stage,vermiform destruction of bone was seen in articular face,the density of cortex was heighten irregular,joint space widen or narrow,and at last the joint space vanished,the joint ankylosed.

结果 62例患者骶髂关节表现异常,包括:早期,骨关节受侵蚀、骨皮质局限增厚、硬化,关节间隙正常;后期,关节呈虫蚀状改变,关节皮质密度不规则增高,关节间隙增宽或变窄,最终关节间隙消失,关节强直。

The hemispherical and the parallelepiped measurement surfaces are investigated as examples.

以半球测量和平行六体测量为例,应用通用模型建立了两种情况下的声功率误差分析模型。

A solid with six faces, each a parallelogram and each being parallel to the opposite face .

每个底部是边数相同的多形且其它是不等边四边形或平行四边形的旁三角台。

Simple analytic formulas for odd and even mode capacitances per unit length and characteristic impedances for those two coupled structures were derived using conformal mapping method and partial capacitance technique.

采用保角变换和部分电容法,导出了耦合共波导奇偶模单位长度电容及其特性阻抗的解析表达式。数值结果与利用其他方法分析椭圆耦合带线、三带线耦合共波导和矩形屏蔽耦合共波导的结果吻合得较好,表明本方法是可行

The numerical simulation result indicates that the condition of which generated APSGD is that the AC voltage frequency is 9kHz when the electrodes configuration is determinate and the sinusoidal peak-to-peak applied voltage is about 9kV. When the AC voltage frequency is about 1MHz, the discharge pattern of SDBD is filament discharge. This results is very important for the development of SDBD.

从数值模拟的结果来看,在确定的发生器电极结构下,当电压的峰-峰值电压为9kV时,发生沿辉光的条件是电压频率至少为9kHz,而当频率为1MHz时,沿放电将出现丝状放电的模式,因而这一模拟结果对沿放电发生器的研制有很重要的指导意义。

Models of pentahedron, hemisphere, spherical cap quantum dots as well as the combinations of the quantum dots of plane, pentahedron and spherical cap are set up.

建立金红石TiO_2(001)体形状量子点、半球形状量子点、球缺形状量子点以及平、五体和球缺组合形状量子点的点阵模型。

Based on the precise measurement of the surface topography of an artificial granite joint by employing a 3-D photogram metric instrument,a series of rock joints with different sizes were extracted from the artificial granite joint and the value of their fractal description parameters was calculated for the purpose of research on the scale effect on 3-D surface topography of the rock joint.

采用人工张裂法制备了花岗岩结构,在精确测试其三维表形貌的基础上,从中选取一系列不同尺寸的结构并分别计算其三维表形貌的定量描述参数值,以研究岩体结构三维表形貌的尺寸效应。

It has been clear for some time that the groundwater level at Giza is rising. Pools were forming in front of the Valley Temple of Khafre, and people were worried that this might endanger the Sphinx and its temples as well. In early 2008, the SCA, in cooperation with Cairo University's Engineering Center for Archaeology and Environment, drilled four boreholes, each 4 inches in diameter and about 20 meters deep, into the bedrock at the base of the Sphinx. A camera lowered into each borehole allowed the engineers to examine the geological configuration of the plateau beneath the Sphinx. In addition, a small well called a piezometer was inserted into each borehole to monitor the underground water level. The investigation revealed that the water came up to about 15.6 meters above sea level, not an immediate threat to the statue, but cause for concern in the long term. I decided that it would be best to go ahead and address this threat before it could become more acute.

吉萨的地下水位呈上升趋势已不是一天两天的事了山谷中哈夫拉庙的前正在形成一个个水塘,人们担心这样下去会危及狮身人像和庙宇 2008年初,在开罗大学工程中心的合作下,最高文物委员会着手处理考古和环境方的问题他们在狮身人像基座的基岩上钻了四个直径4英寸,深约20米的孔,每个深孔中放入一个摄相机,让工程师们可以检查到狮身人像下方的高原地质结构此外,把一个称为测压表的管子插入到每个钻孔中,监测地下水位调查显示,目前水位已达海拔15.6米以上,虽还未直接威胁到雕像,但提醒我们要长期关注我决定,最好防患于未然,在问题变得更尖锐之前采取一些措施应对这一威胁

A prismatoid whose bases are polygons having the same number of sides and whose other faces are trapezoids or parallelograms.

每个底部是边数相同的多形且其它是不等边四边形或平行四边形的旁三角台。

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推荐网络例句

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。