坡度

Border irrigation can be used with slope gradients between 0.2 % and 2 % for cultivated crops, up to 4 % or 5 % for small grain or hay crops, and up to about 8 % for pastures.

适宜采用畦灌的地面坡度是：种植中耕作物为0.2％一2％；种植小粒谷物或饲料作物为4％～5％；种植牧草约为8％。

Small not- standard mineral car of the coal mine adoption of some places, mineral car the resistance coefficient of the movement more big, circulate outwardly for the easy to and heavy car, the slope of even 硐 can go larger number.

一些地方小煤矿采用非标准矿车，矿车运行的阻力系数较大，为便于重车向外运行，平硐的坡度可以去更大的数值。

The methods of plane arrangement and checking of bowl-button steel scaffold were demonstrated in detail based on the engineering construction of cast-in-place Continuous beam in Houyan Cross-bridge of Shenda Highway. In addition, the methods of communicating the length of U-tray and adjusting the gradient have been given. It is pointed out that original pod can adjust the greater longitudinal or tranverse grade in the box-girder construction and welding-steel-bar can reduce partial compression.

通过后盐立交桥连续箱梁施工这一工程实例，详细论述了碗扣式钢管脚支架的平面布置方法及受力验算方法，提出了碗扣式钢管脚支架的U托旋出长度的计算方法及纵横坡的调整方法，并指出采用找零立杆的方法可以解决较大纵横坡度箱梁的施工问题；采用贴焊钢筋的方法可以解决U托偏心受压的间题。

The influence of environment factors on positioning and area measurement was mainly studied in this thesis, which factors including slope, slope site, aspect, crown density, dominant tree species, weather, date, period of time and down lead distance.

主要研究在森林资源调查中不同的外界环境因素与定位精度和面积测量精度的关系，所涉及的环境因素主要包括坡度、坡位、坡向、林分郁闭度、优势树种、测量的天气状况、测量日期、测量时段、引线距离等。

Based on surveying data of sample plots of Phyllostachys pubescens Mazel in Xian＇an district of Xianning City,the effects of aspect,gradient,slope,humus thickness,crown density and stock density on the increment of Phyllostachys pubescens Mazel.were analyzed.

以咸宁市咸安地区40块毛竹标准地的调查资料为基础，分析了坡向、坡度、坡位、腐质层厚度、郁闭度和立株度对毛竹胸径生长量的影响。

Besides, investigations on plant species diversity、forest crown density、incidence extent、gradient and exposure of 3 forest communities were taken,while dilution heat method and semi-micro Macro Kjeldahl method were used to determine the content of organic matter and nitrogen in soil.

调查了3个油松林群落的物种多样性、林分郁闭度、油松毛虫发生程度、坡度及坡向。

Indoors model test employing similarity materials and mainly considering V-class surrounding rock is carried out respectively in respect of single track and double track so that the characteristics of ground pressure, structural stress of portal and internal force distribution in various case of slope and dead-weight stress field can be investigated. The main characteristics are as follows:l.

通过室内相似材料模型试验研究，模型试验围岩参数以Ⅴ级为主，分别从单线和双线出发，详细阐述了三种新型洞门型式在正交和斜交情况下，在不同地形坡度和自重应力场作用下围岩压力和洞门结构应力及结构内力分布特征。

The paper introduces seven factor of DRASTIC model: Depth of water table、Net recharge、Aquifer media、Soil media、Topography、Impact of Vadose Zone and Hydraulic Conductivity.

介绍了DRASTIC模型的七个评价因子：地下水埋深、含水层净补给量、含水层介质类型、土壤类型、地形坡度、包气带介质I的影响和含水层的导水系数。

The width effects of dune are studied and the reason that the barchan dune is formed on the lee slope of dune is given.

但对于背风坡形状的形成，特别是对新月形沙丘，这样一种沙漠、戈壁上最常见的相对稳定的横向沙丘的背风坡新月形落沙坡的形成和保持，无有完整的理论分析，只是简单地认为其坡度不能大于沙子的摩擦角而已。

In the preceding quarter, it appeared, the Tenth Three-Year Plan's quota for bootlaces had been over-fulfilled by 98 per cent

这些功率为4800千瓦138吨重的B伊陆Bo机车是为牵引4000吨重的列车而设计的，当坡度为0.6%时，时速为48公里；小时。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。