查詢?cè)~典 shelterbelt
- 與 shelterbelt 相關(guān)的網(wǎng)絡(luò)例句 [注：此內(nèi)容來(lái)源于網(wǎng)絡(luò)黄色免费三级网站，僅供參考]
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Researchers are experimenting with field covers of such nitrogen-rich plants as Berseem clover, said Jim Brandle, a university professor in shelterbelt ecology.
農(nóng)藝學(xué)和園藝學(xué)推廣專家查克弗朗西斯說(shuō)，許多大量使用化學(xué)農(nóng)藥的大規(guī)模農(nóng)場(chǎng)都將耕田機(jī)擱置在一邊激情黄色网站专区视频。
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Tall California cypress endemic on Monterey Bay; widely used for ornament as well as reforestation and shelterbelt planting.
蒙特里杰克灣的地方樹(shù)種97超级碰碰碰久久久久久合集，是一種高大的加州柏木；用于裝飾、重新造林和建造防護(hù)林看黄a大片欧美欧美大片。
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Therefore,the studies on pastureland shelterbelt have been begun since 1900's,especially ecological ...
因此 国模吧网站，2 0世紀(jì)以來(lái)對(duì)草牧場(chǎng)防護(hù)林的研究就已開(kāi)始，特別是進(jìn)入 2 0世紀(jì) 80年代之后国产AAA无码视频，隨著草原生態(tài)環(huán)境的急劇惡化女人十八片，其研究日趨活躍。
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Pastureland shelterbelt is a special kind of protective plantation.
草牧場(chǎng)防護(hù)林是具有特殊作用日本黄色视频网址、功能和意義的防護(hù)林林種哟哟,62com。
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This article analyzes the significance and the method of the evaluation of the forest carbon-sink,taking the artificial planta- tion of the Three-north shelterbelt forest system program as an example,uses the variable BEF (Biomass Expan- sion Factor) method to assess the value at the Three-north shelterbelt forest carbo.
對(duì)森林碳匯價(jià)值評(píng)價(jià)意義和方法進(jìn)行了分析，并以三北防護(hù)林體系工程人工林為例在线亚洲综合精品，采用換算因子連續(xù)函數(shù)法對(duì)三北防護(hù)林的碳匯價(jià)值量進(jìn)行了評(píng)價(jià)，提出了持續(xù)開(kāi)展三北工程免费全网A片、提高人工林固碳能力的對(duì)策建議2021最新国产自产精品。
- 推薦網(wǎng)絡(luò)例句
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In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.
。但是亚洲一区二区国产日韩欧美，在否定句或疑問(wèn)句里亚洲伊人天堂午夜网站，這種帶有"do"的方法表達(dá)的效果卻沒(méi)有什么強(qiáng)調(diào)的意思。
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Go down on one's knees;kneel down
屈膝跪下亚洲顶级毛片18禁无遮挡。爱爱永久网站。。下跪祈禱
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Nusa lembongan : Bali's sister island, coral and sand beaches, crystal clear water, surfing.
Nusa Dua ：豪華度假村在线看片U，沖浪和潛水色综合色综合久久，沙灘，水晶般晶瑩剔透的水成人无码视频直入在线观看网站下载，網(wǎng)絡(luò)沖浪免费一级a毛片在线视频。