野外调查

On the based of the field investigation with morphological and anatomical observation, Phacellaria rigidula (Santalaceae,type species of Phacellaria) lives on the hemi_parasitic shrubs which belong to Loranthaceae and possesses some special characteristics in habits and in morphological and anatomical structures.

野外调查和形态学研究表明，硬序重寄生(檀香科重寄生属模式种)以桑寄生科半寄生灌木为寄主，具有一些特殊的生活习性和形态结构特征。

Based on satellite images,field work and previous research,climate background and tectonic background of Manas Lake changes are analyzed in this paper.

：在卫星影像分析、野外调查的基础上，结合前人研究的资料研究，玛纳斯湖的气候演化背景和区域构造活动背景。

Using the Landsat Thematic Mapper data and the measured grass yield data,the monadic linear regression models and the non\|linear regression models were established,to express the relations between grassland biomass and the different vegetation indices.

通过陆地卫星TM遥感影像数据和同期野外调查数据，分析了植被指数与草地植被生物量之间的相关关系，建立了不同植被指数与草地生物量之间的一元线性回归模型和非线性回归模型。

According to the survey results of assessment field along the Tongling-Tangkou highway and relevant historic information,taking Muntiacus crinifrons as a surrogate species ,the impact of draft project on endangered wildlife is analyzed.

根据对铜陵至汤口公路评价区野外调查的结果，综合相关历史资料，以黑麂为&代理种&，分析拟建项目对珍稀濒危野生动物的影响程度。

In order to know the status of ecological safety and pot ential of urban development of Tianjin, ecˉ ological fragility evaluation index system was established through f ield investigation and the statistical aˉ nalysis.

为了解天津市的生态安全状况和城市发展的潜力。本文结合野外调查和统计数据，建立了天津市生态脆弱性评价指标体系。

Community characteristics of Pinus armandii forest on the Qinling Mountains are analyzed by field survey.

通过对秦岭华山松林的野外调查，分析研究了该群落的特征和性质。

Based on a whole survey and detailed analysis in artificial Robinnia pseudoscacia forestland,distribution and characters of dry layer in soil were studied in north Shaanxi Loess Platea.

以人工刺槐林为研究对象，经大量野外调查和数据分析，研究了陕北黄土高原土壤干层的分布状况和分异特征。

The pteridophytic flora in Wujiashan National Forest Park were reported to be composed of 68 species,which belonged to 39 genera and 23 families.

在野外调查和已有资料整理的基础上，分析了英山吴家山国家级森林公园蕨类植物区系组成和分布区类型。

On the basis of wild investigation and data analysis, the composition and distribution types of pteridophytic flora in Songyang,Zhejiang are analyzed and a comparison is made between adjacent regions and upland pteridophytic flora, which shows that the pteridophytic flora in Songyang,Zhejiang is composed of 161 species and 7 varieties,72 genera and 38 families.

在野外调查和整理资料的基础上，分析了松阳蕨类植物区系的组成和分布区类型，并与邻近地区山地蕨类植物区系进行了比较分析。

Pteris nervosa L. were discovered and confirmed as another arsenic hyperaccumulator in field investigation, could accumulate arsenic up to 1000mg/kg in pinnate in field. P. vittata L. and P. nervosa L.

通过野外调查，发现和证实了大叶井口边草是一种As的超富集植物，并发现蜈蚣草和大叶井口边草对多种重金属都具有很高的耐性。

Life. But the intrinsic way of the Internet by wire confines accessing and using of the network information.

然而，Internet固有的有线连接方式大大限制了人们对网络信息的访问和使用。

I have a strong persuasion that this is true .

我坚信这是正确的。