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According to spatial analytic geometry,the mathematical model of intersecting of pipe and cone was established.

利用空间解析几何的原理建立了管锥相贯数学模型，用参量方程描述了管端相贯线焊接坡口的几何形状，该数学模型可应用于三轴联动火焰数控切管机。

The expressions of dihedral angle and cutting angle of the intersecting groove are deduced by way of space analytical geometry.

利用空间解析几何原理推导了多管、板相贯坡口的两面角和实际切割角的表达式，建立了切割多管、板相贯坡口的数学模型。

The penetration experiment not only indicates a quantitative method to evaluate the homogeneity or anisotropism of a soil sample, but also supplies a completely new method for us to deeply understand the modification mechanism and effect of soils, moisture migration in soil, contaminant dispersion and failure mechanism of soil.

贯入试验还从能量学的角度给出了一种评价土样均质性和各向异性的定量方法；此外，贯入试验还为我们深入了解土质改良机理和效果、土中水分迁移、污染物的弥散以及土样的破坏机理等提供了一种全新的方法。

Early November this year, Pingxiang City completed the "green city planning system" through planning layout for the center City Green axle extension garden globe as tall as the external protective green around the center green expansion of the green corridor through, and realize the city in the mountains, water running throughout the city, creating artificial and natural combination of "natural music" style.

今年11月初，萍乡市编制完成了《城市绿地系统规划》，通过规划布局，使中心城区绿轴延伸，园林生辉，外围防护绿地环绕，中心绿地扩大，绿色走廊相贯，实现城在山中、水贯全城，创造人工与自然相结合的"山水绿城"风貌。

In situ testing methods presented in the paper are limited to cone penetration, standard penetration, pressuremeter and Marchetti dilatometer tests.

但基桩受力的情况与现地试验的种类繁多，为求精简，基桩的静态分析仅限於受轴向与横向力的情况，现地试验则选择比较常用的圆锥贯入试验、标准贯入试验、侧压仪、和Marchetti 膨胀仪试验。

Through detailed analyzing some influencing factiors of sand liquefaction, seven parameters were selected as assessment indexes. They are earthquake magnitude, peak ground surface acceleration, standard penetration value, specific penetration resistance, relative compaction, average particle diameter, and water table. The extension assessment model has been established that was applied to assessment of sand liquefaction potential. The model had been trained by the historical data and has been assessed in virtue of sand liquefaction from the historical data by simulating, and got a excellent result. After introduction of the support vector machine theory, this paper established the assessment model of sand liquefaction based on the support vector machine, and assessed in sand liquefaction from virtue data of some fields in home and overseas with the tool Libsvm, which was programmed based on the support vector machine theory. And got a good coherency between the assessement results and the actual liquefaction.

在详细分析影响砂土液化因素的基础上，选取了震级M、地面最大加速度g_、标准贯入击数N_(63.5)、比贯入阻力P_s、相对密实度D_r、平均粒径D_(50)、地下水位d_w等7个参数作为评价指标，建立了砂土液化势的可拓评价模型，并对历史数据进行仿真评价，取得了较好的应用效果；在对支持向量机的理论进行介绍后，本文建立了基于支持向量机的砂土液化势评价模型，并利用在基于支持向量机理论的Libsvm软件，对若干国内外场地的现场实测数据进行了评价，评价结果与现场表现基本上一致。

All the treasures of the earth would not bring back one lost mome

nt。 机会失去不再来，千贯万贯难赎回。

All the treasures of the earth would not bring back one lost mome nt.

机会失去不再来，千贯万贯难赎回。

As a novel version of penetrometer, T-bar is extensively utilized in in-situ measurement for undrained shear strength of marine soft foundation. However, the effects of penetration velocity, anisotropy of soil strength and gradual softening on penetration resistance of T-bar penetrometer are seldom systematically investigated.

T型触探仪近年来在国外的海洋软土地基原位测试中得到了广泛应用，但贯入速率、地基土强度的各向异性与渐进软化等因素对于贯入阻力的影响没有得到系统的研究。

This paper examines the soil characteristic and liquefaction degree of hard shell seams at the subaqueous delta of the Yellow River. Four typical areas were chosen for measuring, testing and studying. The hard shell seam strength was measured by in-situ Proctor penetrometer. Undisturbed soil sample of 1 m long was excavated for laboratory soil property test. Sledge hammers were dropped down freely to hit the load board to simulate the wave force acted on the hard shell seam. The excess pore pressure and strength variation were observed. The liquefaction depth of the hard shell seams at four study areas under different wave storms were calculated by theory.

为揭示黄河口水下三角洲硬壳层的土性特征和风浪作用下的液化破坏状况，选择典型研究区，在现场利用普氏贯入仪测试硬壳层的强度特征，原位取1m原状样进行室内土工试验；利用重锤锤击荷载板的方式模拟波浪对硬壳层的动力作用，通过孔压探头和普氏贯入仪实时监测土体内孔压和振动前后强度的变化；通过理论计算研究硬壳层在不同风浪等级下的液化深度。

I can still vividly recall the impressive scenes you gave. You were among my friends and relatives who accompanied me from my house to the seaport and when the porters were slow to show up, you obligingly carried my suitcase for me.

你对我的种种感人情意，使我记忆犹新，那天你随着我的亲友从家里送我上轮船，搬运工迟迟不来，你毅然替我提着皮箱上船。

St. Nicholas became the patron saint of Russia, where he was famous for his red cape, flowing white beard, and bishop's mitre.

圣尼古拉成了俄罗斯人的守护神，在那里，他以身披红斗篷，留着飘逸的白胡须，戴着主教法冠而闻名。