查询词典 afforesting

In recent year, Pinus densata Mast is one of the major tree species using for afforesting by aerial seeding in Sichuan province.

近年，高山松在四川省飞播造林中大量使用，已成为飞机播种造林的主要树种。

Pinus yunnanensis is one of the main afforesting tree species in Yunnan Province. Two key factors of determining the growth of P.

种源和栽培条件是决定云南松Pinus yunnanensis生长优劣的关键因子。

And investigating from visual angle of urban design, we expounded to using tactics of" framework " and " sew up " to implement a subsystem plan of afforesting courtyard ,and to propose the exploration of the three-dimensional courtyard at the same time .

五、阐明了庭院研究获得的启示和深入的思考。

Superadding the opportunities of the arrival of 21st century and afforesting and beautifying Shahe within three years, energetic development of flowers industry has a broad prospect.

再加上二十一世纪到来及三年绿化、美化沙河的机遇，大力发展花卉产业前景广阔。

Some suggestions on planning urban roadside trees species that may increase the quality of street afforesting, were proposed through verification of trees nature and climate feature suitable for Jinzhou.

通过对适合锦州地区气象特征的行道树种品质的论证，以及对行道树树种搭配与更替问题的探讨，提出进一步提高本地区城市道路绿化质量的行道树树种规划建议。

Though Fujian province has a very large forest resource and there also were some relapes in history, the general trend of forest size has been declining all the time for the imbalance of deforesting and afforesting.

得出的结论是：福建虽是我国森林资源大省，但纵观历代福建地区的森林资源曾经历了一个由多变少的过程，用林与造林失衡，采伐与种植失衡，其间虽出现过一些反复，但总的变化趋势是不断下降的。

A sudy is made on demineralizing the cloudiness and COD in landfill leachate by means of the pretreatment with polymeric-iron to create a good condition for the following biological treatment process and afforesting water reproduction.

在国内仍然是一个没有得到很好解决的难题。本课题主要研究采用聚铁预处理垃圾渗滤液中较多的浊度及COD，为后续生物处理及作为绿化用水创造良好的条件。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。