The domestication of six tropical forest vegetables namely Acacia pennata,Acanthopanax trifoliatus,Dregea volubilis,Sauropus androgynus,Melientha longistaminea and Cteridium sp.was briefly described,and the seedling raising techniques of these six forest vegetables were introduced as well.

在對元江熱區(qū)人工篩選出的臭菜久久久国产九九99精品、刺五加在线看日本黄色视频、南山藤huangse网址免费、越南甜菜国产视频欧美视频、長蕊甜菜不卡国产在线、樹頭菜6種熱區(qū)森林蔬菜植物作馴種簡述后国产av表兄妹，繼而介紹了此6種植物的苗木培育技術(shù)，示范種植效果以及在元江施行熱區(qū)森林蔬菜種植項目所獲取的經(jīng)濟效應(yīng)www欧美操逼视频。

Corsican pine dominates Thetford Forest in East Anglia which is the largest man-made pine forest in Britain.

以科西嘉松樹為主的Thetford森林在東英格蘭这久久精品，這是世界上最大的人造油松林。

Models for the electromagnetic interaction between the target and trunks or between the trunks and trunks are developed, and these models are used to derive the coherent fields scattered by the target and fractal forest. Then, the polarization angular correlation function is calculated by using azimuthal angular averaging, and used to detection target buried in forest.

本文用L系統(tǒng)對森林環(huán)境進行了理論建模一级a爱做片2；研究了有限長分層介質(zhì)圓柱的樹干散射模型激情无码一区；分析了傾斜粗糙地面上樹干及分形樹的電磁散射特性；討論了環(huán)境對確定目標(biāo)電磁散射特性的影響最近免费中文字幕视频在线MV；研究了環(huán)境與隱蔽目標(biāo)復(fù)合電磁散射两性视频网，用角相關(guān)函數(shù)、極化角相關(guān)函數(shù)對隱蔽目標(biāo)進行了檢測久久精品一二三美女。

Not so far ahead,the little birds are singing giocoso followed along with the imperceptible swinging branches and leaves at the bamboo forest,the bees are dancing happily among the anthemia besides the bamboo forest,even the snail,it's also carrying through it's constant marathon slowly,monotonously,but joyously on the pencil stone at the riverbank.

不遠處的竹林里在线国产性爱福利，鳥兒正隨著輕輕搖擺的枝葉在那歡快的歌唱著，蜜蜂也在竹林邊上的花叢間欣欣歡舞著91在线视频第一页，就連蝸牛也在岸邊的滑石上單調(diào)且快樂的進行著永無止境的馬拉松伊人久久大香线蕉综合AV。

Qinghai provincial government has adopted a major returning farmland to forest, grassland, natural forest protection project, anti-desertification projects, closing hillsides to facilitate afforestation project, so that the ecological environment in Qinghai Lake Well more and more.

我省省政府主要采取了退耕還林嫩草久久久久久久精品99、退耕還草、天然林保護工程亚洲视频黄色、防沙治沙工程黄色视频直接进、封山育林工程等，使青海湖的生態(tài)環(huán)境越來越好了免费三级视频网站。

Forest habitat of various rare birds and animals, antelope, tufted deer, argali, leopard, camphora, green deer, wild boar, and other animals come and golao xiong forest; microphylla, Ma chicken, thrush and other birds fly-by-contend.

林中棲息著各種珍禽異獸亚洲人成A片在线观看尤物，羚羊、毛冠鹿欧美综合色婷婷欧美综合五月、盤羊免费无码黄视瓶、金錢豹、香樟国产一级激情免费视频、青鹿亚洲R在线、野豬、老熊等異獸出沒林間一级无遮挡真人毛片A片；錦雞97超碰免费、馬雞、畫眉等珍禽飛逐爭鳴国产在线对白视频黄。

Hebei use of state-owned forest primeval forest, as well as Russia's high-quality Ash tree, birch, poplar, oak for the production of raw materials, with a production history of more than 10 years old timber processing enterprises.

采用鶴北國有林區(qū)以及俄羅斯原始林的優(yōu)質(zhì)樹種水曲柳18禁美女裸体啪啪免费网站、樺木、楊木超碰在线欧美精品、柞木為生產(chǎn)原料激情黄区1区，是一家具有10多年生產(chǎn)歷史的老牌木材加工企業(yè)。

A Ma Shan still has a lot of animals in primeval forest, the sound of singing of melodious babbler bird makes ancient forest have filled with vitality.

阿瑪山原始森林里還有許多動物偷拍视频无码，畫眉鳥悅耳的歌聲国产WWWWW免费在线观看，使古老的森林充滿了生機。

It is almost a ghost forest, for among the living spruce and balsam are many dead trees-- some still erect, some sagging earthward, some lying on the floor of the forest.

這幾乎是一片幽靈之林欧美一级视频网站免费在线观看，因為在那些活著的云杉和香脂冷杉中間有很多枯樹——一些仍然直立著色天堂视频在线，一些則垂向地面，還有一些倒伏在森林的地面上久久精彩视频7。

As long as the ongoing management and maintenance of forest resources and forest will be generous in return human.

森林欧美激情视频二三区。只要正在進行的管理和維修的森林資源和森林將慷慨的回報人類。