自然地理

Key factors affecting site selection such as urban overall plan, geographical and geologic conditions, landfill capacity, external assistant conditions and social-legal aspects were analyzed in details in combination with sanitary landfill examples and engineering practices.

结合城市垃圾卫生填埋场的实例和工程实践的经验，分别从城市总体规划、场址自然地理条件、填埋场的库容、场地外部建设条件和满足社会法律的要求等几个方面对填埋场的场址的选择做了详细的分析和探讨。

On the basis of the distribution and physical geographical characteristics of species endemic to China, the flora of Kongtong Mountain belongs to: subregion of Loess Plateau,North China region. Si no-Japan forest subkingdom, Holarctic kingdom.

根据种、中国特有种和建群种的分布情况及自然地理特征，本区系应隶属于：泛北极植物区、中国—日本森林植物亚区、华北地区、黄土高原亚地区。

The republic is predominantly mountainous with a continental climate, has a mild Mediterranean climate with a mean summer-time temperature of 27℃(80 F).

自然地理：位于巴尔干半岛南部，东邻保加利亚，南界希腊，西接阿尔巴尼亚，北傍南斯拉夫联盟共和国，是以多山的大陆性气候为主的国家。

The types of highway construction site lie on the physical geography condition and the geological condition of terrane whose basic parameters are fuzzy and uncertainty.

公路建设场地类型决定于自然地理条件和岩层的地质条件，表征这些条件的基本参数存在很大的模糊性和不确定性。

The company is located in Xiamen, east of the bridge toll booth, facing the West in Xiamen waters, natural and geographical conditions of superiority, covers an area of 38,380 square meters.

本公司位于厦门大桥收费站东侧，面临厦门西海域，自然地理条件优越，总占地面积38380平方米。

Physical Geography has a hilly landscape character unit.

具有山地丘陵景观特色自然地理单元。

And then through analyzed the component of the pollutant in the region's groundwater, and considered the good and bad points of each assessment method, we adopted the fuzzy comprehensive evaluation method, and estimated the vitiation of the ground water, which result is conform with the actual degree, and has realized the of the fuzzy appraisal.

本文针对煤矿开采对地下水污染的问题，首先根据研究区域自然地理与水文地质条件分析了煤矿开采对地下水污染机理，然后通过对研究区域地下水污染物组分的分析，考虑各种评价方法的优缺点，采用模糊综合评判法，对煤炭开采对地下水的污染做出了比较合乎实际的评价，并实现了模糊评价的电算化，同时利用Matlab分析了煤矿开采对地下水污染的趋势。

As well as cover type of the primary wildwood, on the other hand, it is also disturbed by human activities, which mainly represents as the reachability and frequency of anthropogenic influence as well as the selection mode of woodland utilization including mainly including population distribution, traffic condition, social needs as well as economic industrial structure etc.

林地的变化是人类活动作用于自然资源与环境的一种最为显著的表现形式，其发生和发展一方面受到区域自然地理环境背景的直接控制，主要包括气候、地貌、土壤等以及原生林地覆盖类型，另一方面也受到人类活动的干扰，主要表现为人类影响的可达性与频率以及对林地利用方式的选择，包括人口分布、交通状况、社会需求以及经济产业结构等。

Safety measures in construction should include anti-collapse, anti-shifting sand and antifreezing measures because of complicated physiographic and geological conditions.

西藏林芝地区八一电厂二级电站后山抗滑锚固桩工程采用人工开挖成桩，主要以土石方、钢筋砼工程为主，场地自然地理、地质条件复杂，施工中必须注意安全，要防垮蹋、防流砂及防冻。

By analyzing the physical geography, regional hydrology and geology information, and groundwater equilibrium of DunHuang Basin, this paper simulates the aquiferous layer which has the thickness of 250 m, and consider it as two dimension mixed layer which is heterosphere and isotropy.

通过敦煌盆地自然地理和区域水文地质及盆地地下水均衡分析，将250m左右深度处稳定流线以上的含水层作为数值模拟对象，概化为非均质各向同性平面二维流混合层；将研究区划分为9个参数分区，并离散为2km×2km的网格，总共划分为34行、42列，共1428个单元，其中：无效计算单元215个，有效计算单元1413个，流量计算单元45个。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。