剖面

It is the first time to calculate the near noise field with ray method, and replace the inhomogenous SSP in the vertical direction with constant SSP, while other models usually use Fast Field Program such as SARFRI to calculate the near noise field. This model increases the calculation speed about 100 times without decreasing much precision. It can meet the need of engineering.

首次采用射线模型计算噪声近场的贡献，并进一步用等声速代替有垂直分布的声速剖面，而其他模型通常采用诸如SARFRI等快速场程序计算近场的贡献；本模型的计算时间比其他模型的计算时间缩短了2个数量级，精度并未有明显损失，适合工程需要。

Take the point of hydrocarbon accumulation association to study the planar and sectional distribution pattern of petroleum reservoir. The relation between petroleum distribution and sources rocks distribution, profitable facies belt, petroleum dredge system and so on. Summary the regularity recognition of petroleum distribution.

采用油气成藏组合观点，在平面、剖面上研究油藏的分布特点，分析了油气的分布与烃源岩分布、有利储集相带分布、油气输导体系等之间的关系，确定了油气分布的主要控制因素，总结了油气分布的规律性认识。

The biggest degree of difficulty on the design of PDC drilling bit s is incapable of accurate localization.

PDC钻头在设计上的最大难度是无法精确定位，一般根据钻头冠部剖面形状的设计参数，靠经验和类比同型钻头来进行设计，设计的反复性比较大。

Based on the result of numerical modeling, thought that main power-source of the plateau uplift is driving and compressing of Indian plate toward NNE, a series of folding and uplifting of the crust successively appeared from the south to the north, and these folds and uplifts possessed a sequence and consequence on the plane and section.

根据数值模拟结果认为，青藏高原隆升的主要动力源是印度板块NNE方向的推挤力，地壳层依照自南而北的次序逐步产生一系列褶皱隆起，从平面、剖面上均具有密切的时序因果关系；高原隆升与活动构造的发育、分布具有密切关系，断裂活动强度自南向北递进式扩展，因此，祁连山脉是高原最年轻的新生活动山链。

On the basin of comparative results of the exploration and study on the four lines conducted during the preliminary design phase of the Three Gorges project, 20 exploratory sections with 5 drill holes each and more than 600 m long exploratory adits were arranged as supplementary exploration.

初步设计阶段共进行了4条线路比较的勘察与研究工作，并在此基础上布置了20条勘探横剖面，每条剖面5个钻孔，布置了长600多m的勘探平洞，作为初设补充勘探。

The aerofoils are held in place by upright vanes, or endplates.

剖面小翼被垂直叶片或终板固定在有效位置。

Introduces the height finding theory of the continuous wave frequency modulation altimeter and the pulse radar altimeter,analyzes the reason why the two kinds of altimeters were used in complex terrain to cause errors,and also gives out the experiment result that the plane mounted with the two kinds of altimeters flew in complex terrain section occasion.

介绍了调频连续波高度表和脉冲雷达高度表的测高原理，分析了两种体制高度表在复杂地形下使用时产生误差的原因，并且给出了两种高度表在复杂地形剖面场合下的机载试验结果。

The mineral species and contents in soil layer A to layer C at 69 sections vary little and the mineral composition of soils is apparently affected and controlled by bedrocks.

在69个土壤剖面中，由A层到C层矿物种类和含量变化较小，土壤矿物组成明显受基岩影响和控制。

Recent developments in the research on the geology and geochemistry of the newly-discovered clayey breccias at the lop of the Xiaochaka Formation in the Juhuashan, Xiaochaka and Shishuihe areas, Qiangtang Basin, northern Tibet have disclosed that mineral compositions, textures and structures, occurrences and sectional architectures of the clayey breccias agree well with those of the paleo-weathering crust in these areas. Compared with the bedrocks, the paleo-weathering crust is characterized by the leaching out of CaO and CO2, and relative enrichment of SiO2, Al2 O3, Fe2O3, K2O, Na2O, MnO and P2O5. The clayey weathered residues in the paleo-weathering crust are characterized by marked enrichment of REEs, much higher contents of LREEs than those of HREEs, markedly positive Ce anomalies and negative Eu anomalies, and a noticeable increase in other element contents besides Mo, Sn and U from the clayey weathered residues.

对最近在藏北羌塘盆地菊花山、肖茶卡、石水河等地区新发现的肖茶卡组顶部的粘土质角砾岩的地质、地球化学特征研究表明：其岩石矿物成分、结构构造、角砾层产状及剖面演化序列等与古风化壳的形成及其特征较为一致；相对于基岩，古风化壳的主量元素表现为CaO、CO2的淋失和SiO2、Al2O3、Fe2O3、K2O、Na2O、MnO、P2O5等不同程度的相对富集；古风化壳中的粘土质风化残积层的稀土元素具有明显的富集，表现为LREE含量远大于HREE的特征，存在明显的Ce的正异常以及Eu的负异常；微量元素除Mo、Sn和U外，粘土质风化残积层的其余元素含量均有明显的增加。

This aticle deduas a set of formlas for dead weight boing calculation of overflow secion of gravity dam that can be adopted in solid gravity dams such as concrete dams and grouted rubble dams.

重力坝的溢流坝段剖面由多段曲线组成，因此准确地计算溢流坝段的自重荷载就较为麻烦，常常用折线来代替曲线进行简化计算，影响了工程设计的精度。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。