Firstly,soil erosion modulus was estimated using USLE and maps of soil density and soil horizon thickness were derived from detailed soil survey data.

土壤侵蝕是造成地表水土流失的直接原因欧美三级片免费久久，也是我國(guó)國(guó)土整治的主要目標(biāo)和任務(wù)[2]。

The presence of calcic horizon availed the invasion and residence of A. frigida which is a relatively shallow-rooted plant. In conclusion, the ultimate cause for the succession of A. ordosica community mainly contributes to the changes of soil substrate, especially the formation of calcium carbonate.

鈣積層的形成使得較油蒿根系更淺的冷蒿植物得以侵入成年人视频www、定居曰本性网，而油蒿則逐漸退出，因此人人摸人人操人日，土壤基質(zhì)變化尤其是土壤鈣積層的形成是油蒿群落演替的根本原因在线视频青草亚洲。

I do not know that a strong run to where the courage of self-life as if all of a sudden disappeared in the horizon, only the arrival of the dark, etc., with the beautiful sunshine to say goodbye.

那份堅(jiān)強(qiáng)不知跑向何方，自我生活的勇氣好象一下子消失在了天邊亚洲色图2，只能等黑暗的到來无码三级中文字幕在线视频，與美好的陽光說再見国产日本精品三级片。

Following the horizon of the coal seam thickness, the working face is arranged with short length.

急斜煤層水平分段放頂煤開采與緩斜煤層不同97碰碰,巨乳中文,中文字幕欧美精品，工作面沿煤層厚度的水平線布置，長(zhǎng)度短国产日韩欧美区。

Heidegger's and Marx's critiques of modernity can be cross-referred from the standpointof basic horizon.

海德格爾在對(duì)現(xiàn)代性的批判過程中中文无码天堂一区二区三区，對(duì)馬克思的思想給予了深切的關(guān)注與獨(dú)特的解讀。

It is the vibrant light on our black horizon

是在我們黑色的地平線上顫抖著的光

As the sun appears on the horizon,1 a few stoked surfers paddle out through the waves.

太陽剛從地平線升起黄色视频免费观看网站，幾個(gè)躍躍欲試的沖浪好手便涉浪劃出亚洲自拍日韩欧美精品。

That's why now, looking out from this little beach, i cast my mind back to that distant horizon.

這就是現(xiàn)在為什么我會(huì)展望著這一小片海灘，并且把自己的意識(shí)全部投注到那遙遠(yuǎn)的天際的原因6080午夜理论在线毛片。

The electric blush of Salt Lake City, more than a hundred miles (160 kilometers) away, brushes the horizon over Utah's Bonneville Salt Flats.

電力把鹽湖城弄成紅色国产嫖娼啪啪精品，遠(yuǎn)離超過100英里（160公里），擦過天邊在猶他的博納維爾鹽灘无码专区三级片免费用在线观看。

The electric blush of Salt Lake City, more than a hundred miles (160 kilometers) away, brushes the horizon over Utah's Bonneville Salt Flats.

超過100英里（160公里）之外的鹽湖城的燈光映紅了猶他州博納維爾鹽灘的地平線上空黄片视屏无码免费。