sharp pitch是什么意思

网络释义

用法例句

Application of the relief amplitude and slope analysis to regional landslide hazard assessments;

地形起伏度和坡度分析在区域滑坡灾害评价中的应用

Algorithm Comparison of Slope and Aspect from DEM;

DEM提取坡度·坡向算法的对比研究

Water and Soil Conservation Measures for Different Slope Land in Red-Earth Hilly Region;

红壤丘陵区水保措施在不同坡度坡耕地上优化配置的探讨

Studies on hill slope gradient calculated with other factors on river basin;

流域山坡平均坡度的模糊分析

The article analyzes the traditional ways for modeling the turning point and the gradient,then puts forwards the better ways for it by using model to set down the direction in turning point and measuring in the midline,thus enhancing the efficiency.

分析了转点和坡度放样的传统方法,提出了采用模型放样折线洞中线、在洞中线挂线上量测长度进行坡度放样的简易方法,提高了工作的效率。

Based on the observation and statistics of soil erosion and water loss in the sloping field,it is clear that the runoff depth and erosion would change along with the gradient,farming measures and vegetation.

基于四川省遂宁水土保持试验站坡耕地水土流失的观测数据统计,通过探讨降雨产生的地表径流深及冲刷量随坡度的变化,以及耕作措施和植被对坡面侵蚀的影响,提出坡耕地在降雨时的产流产沙规律:相同前提下,产流产沙量随坡度增加而增加;横坡耕作时,产流产沙量剧减,而顺坡耕作时产流产沙增加;种植农作物时,较之坡面植草,产流量减少,但产沙量增加。

The greater slope degree is,the more instable surface material is.

坡度起伏决定着地表现代侵蚀作用的强弱,影响着水土流失的强度;坡度越大,地表物质的不稳定性就越强,土壤越容易遭受侵蚀而变薄。

Three replications(10°,15° and 20° slope degree,separately) with the following five land cover types were investigated: cropland(Triticum aestivum L.

选择定西市安家沟小流域(35°35′N,104°39′E)为典型区域,在其阴坡中部布设了15个径流小区,包括5种土地利用类型(农田、牧草地、灌丛、乔木林、自然草地)和3个坡度(10°、15°2、0°),进行径流、侵蚀和降雨前期土壤水分的测定。

At the same time, effects of slope degree and PAM coverage on the critical shear stresses were analyzed.

通过不同试验条件 ,分析了坡度、地表 PAM处理对土壤临界抗剪切应力的影响。

The changing characters of runoff,mud and sand in different grade red soil slope in artificial rainfall precipitation condition;

人工降雨条件下不同坡度红壤坡面迳流泥沙变化特征研究

The article puts forward the design method of grade in marshalling yard, pass to analyse the running characteristic of different wagons in marshalling yard.

通过分析不同车辆在调车场内的走行特性,提出点式控制调车场内的坡度设计方法。

On the basis of analyzing the massive measured data of operating speed on two-lane secondary highways for gradient sections with different grades and slope lengths,the operation rules of vehicles were obtained.

在分析双车道二级公路不同坡度、坡长纵坡的大量运行速度实测数据的基础上,得出车辆运行规律。

Assessment on WEPP model applicability(Hillslope version) to hill-gully region of the Loess Plateau——A case study in slope gradient factor;

WEPP模型坡面版在黄土丘陵沟壑区的适用性评价——以坡度因子为例

By spatial overlay analysis of slope gradient and vegetation index,it was found t.

通过坡度与植被指数空间叠加分析发现,坡度对植被盖度较高区域的影响较小,对于植被盖度较低的区域影响较大。

Main research result is as follows: The velocity of flow,on the condition of the same rainfall intensity and slope gradient,the linear form slope is the biggest,the convex form slope the next,and the concave form slope the least.

通过室内模拟降雨试验分析了不同坡形坡面径流流速的时空分异特征,研究结果表明:同雨强、同坡度条件下,直线形坡的坡面流速最大,凸形坡的其次,凹形坡的最小,并且在同坡形条件下,坡面流速随雨强、坡度的增加而增加。