the problems of alignment continuity in plane curve design of roads

1、

based on the gps data, i analyzed the velocity track of swatch roads and concluded velocity characteristic curve of alignment of downgrade-followed curve, in addition put forward alignment range and conditions responding to velocity characteristic curve.

根据GPS实测数据，分析样本路段的速度轨迹曲线，总结出弯坡衔接线形的两种速度特征曲线，并指出了各速度特征曲线所对应的线形组合范围和适应的条件。

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2、

a simple and useful method about alignment of horizontal curve

一种简便实用的平面线形曲线定线法

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3、

the tooth profile and the design of the gear alignment curve for tooth have been proposed. the mathematical modeling of meshing equations and tooth surface equations of internal and external helical bevel gears are developed.

建立了双圆弧螺旋锥齿轮章动传动的齿形和齿向线设计，啮合方程、内锥螺旋锥齿轮和外锥螺旋锥齿轮的齿面数学模型。

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4、

the basic conception, design processing and main character of the top-down design were introduced. based on the famous cad/ cam/ cae software pro/ engineer, the top-down design process of shoe tree casting mould was also presented.

介绍模具Top-Down设计的基本思想、设计流程及其主要特点，并基于Pro/Engineer软件平台，以一鞋楦模具为设计对象，例示出模具Top-Down设计方法的主要设计过程。

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5、

beerbarrel trees were tapped for drink, and oilbarrel trees for fuel, and bink's own footwear came from a mature shoe tree east of the village.

酒桶树里淌出美酒，油桶树里流出燃料，宾克穿的鞋就来自村子东边的一株成年鞋树。

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6、

the device called sterishoe, which looks like a shoe tree, can be inserted into your footwear and a simple press of a button starts a 45-minute treatment cycle.

这个叫SteriShoe的“小物件”看起来像是一个鞋掌子，把它插到鞋里，轻轻按下按钮，只需45分钟后就完成一个清理过程。

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7、

if you don't have a shoe tree, stuff the toes shoes with white tissue paper, or any white paper to hold them firm.

如果没有，可以往鞋子里塞入衬纸，或者别的白纸。

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8、

cad/ cam technology and shoe tree cam system

CAD/CAM技术与鞋楦CAM系统

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9、

research on pressure distribution of foot in movement condition and shoe tree optimization

足部运动受力分布与鞋楦优化分析研究

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10、

field experiments were conducted to study effect of irrigation and water-fertilizer spatial coupling on corn n uptake and n residue in the solum ( 1.0m) after corn was harvested in the semi-arid region.

通过田间试验研究了半干旱地区不同灌水量和水肥空间耦合方式下玉米对N素的吸收及玉米收获后N素在1.0m土体中的残留。

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11、

there are all sizes of shoots in each solum, most of them have a base-girth of 5~ 10 cm.

每一土层中均有大小不等的笋芽或冬笋，其中基围5～10cm的数量最多，约占50%；

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12、

the types of the landslide are the rock bedding plane one and the cumulate and solum one which are correlated closely with the rock property of strata and the types of the river valley.

沿岸滑坡发育形式主要为岩石顺层滑坡和风化堆积层滑坡。沿岸滑坡具有群发性的分布特征，与地层岩性和河谷岸坡类型等密切相关。

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13、

therefore, the basic horizons of paddy soil should be established and the criteria for division of the horizons in soil solum should be defined in advance.

为此，须首先确定水稻土的基本土层，规定层位段标准。

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14、

the experiment was done smoothly and found out the influence on solum by construction of tubal curtain, and the expected goal was achieved basically.

实验过程顺利，测试到了管幕施作对土层的影响，基本达到了预期目的。

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15、

the soil species of paddy soil are generally classified on the basis of the patterns of solum structure and the development degree of the diagnostic horizon.

划分水稻土土种，是以土体构型及诊断层的发育度为依据。

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16、

the mean root diameter was biggest in 0-10 cm solum, but it had little effect when adding fertilizer application.

根系平均直径以0～10cm土层内最大，增施肥料对根系平均直径的影响不大。

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17、

the soils with different patterns of solum structure are distinguished in different soil species in spite of soil fertility;

主要根据表层肥力的量级差异划分土种；（2）土体构型不同的土壤，无论表土层的肥力状况如何，都应划分为不同土种；

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18、

application of sawdust-cement mortar to the grouting through solum

木屑水泥浆在土层灌浆中的应用

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19、

study on disintegration mechanism of solum in covering karst zones in guangxi province

广西覆盖型岩溶区土层崩解机理研究

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20、

an experimental study on the migration and conversion law of leachate in the solum

垃圾渗滤液在土层中迁移转化规律实验研究

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