A deep, steep-sided opening in the earth's surface; an abyss or a gorge.

裂縫土地表面上深的黄页视屏在线看、陡峭的縫隙a网在线观看视频；深淵或峽谷

The Grand Canyon is a steep-sided gorge carved by the Color ado River in the United States in the state of Arizona.

科羅拉多大峽谷是一處舉世聞名的自然奇觀亚洲天天影院色香欲综合，位于美國(guó)西部亞利桑那州西北部的凱巴布高原上18岁禁止av，大峽谷全長(zhǎng)446公里欧乱色国产精品免费视，平均寬度16公里国产精品视频人人做人人，最大深度1740米，平均谷深1600米欧美肥美性爱视频二区，總面積2724平方公里2021精品手机在线。

At the bottom of this wild steep-sided gorge runs the Qadisha River whose source is in the Qadisha Grotto at the foot of the Cedars.

在峽谷的底部流淌著發(fā)源于圣松山腳的卡迪沙河，在峽谷的著名的雪松林之上聳立的是黎巴嫩境內(nèi)海拔最高的山峰啊啊啊好大爽被插乱伦视频。

The Grand Canyon is a steep-sided gorge carved by the Color ado River in the United States in the state of Arizona.

為了還原歷史真實(shí)面貌一级黄色毛片视频免费看，歷史頻道在全世界范圍內(nèi)搜集檔案材料和影音資料，并采用高清全彩畫面白浆AA片，力圖營(yíng)造出震撼的視覺效果人人网人人摸人人操。

This paper is aimed to study the characteristics of slack-water deposits in Jiacha Gorge which is located at the middle reach of Yalu Tsangpo River. During field investigations and laboratory analyses, the observation was focused more on the sediment granularity.

根據(jù)雅魯藏布江加查峽谷段古洪水平流沉積物的野外調(diào)查與室內(nèi)分析，結(jié)合內(nèi)陸大江大河古洪水研究經(jīng)驗(yàn)所確立起來的分析判斷指標(biāo)體系日韩第一视频，確定了雅魯藏布江的古洪水平流沉積特征圄产精品久久久久精品，尤其是粒度指標(biāo)的相關(guān)特點(diǎn)。

Paleoflood; Slack-water deposits; Granularity Characteristics; Jiacha Gorge

古洪水色爱综合区国产精品；平流沉積日韩精品黄色免费在线观看；粒度特征欧美性爱白人性69交性；雅魯藏布江加查峽谷

The Three-Gorge Project,one of the extremely huge hydroworks in the world,has comprehensive benefits of flood-prevention,electricity-generation and water-borne-transportation,however,due to descending of self-purifying capacity of water,its water environment safety has become the hot spot of concerns in China and around the world.

三峽工程蓄水后，由于水體的自凈能力降低黄色视频中文字幕，水環(huán)境狀況呈逐漸惡化的趨勢(shì)学生妹网站，庫區(qū)的水環(huán)境安全問題成為國(guó)內(nèi)外廣泛關(guān)注的熱點(diǎn)。

The Yellow River cut through Sanmenxia Gorge and flowed to North China Plain and the sea in 150 ka BP.

黃河于150 ka BP切穿三門峽欧美日一级大片，東流入海亚洲欧美性爱视频日韩字幕。黃河泥沙90%來自黃土高原。

Rich spring salt resources in Three-Gorge region are generously endowed by Nature, and have a long history in production.

三峽地區(qū)在线看成年人视频，鹽泉資源得天獨(dú)厚久草新日韩，泉鹽生產(chǎn)歷史悠久。

The above have applied to the three items of research institute in the army simulation field and the simulation demonstration of the three gorge five-step ship gate running and controlling system. In the application, these problems are solved which are the compliance of linkage of the software and the system and the expansibility of the software, and these research have achieved better social and economic benefits.

七免费在线综合精品观看、已將上述研究成果推廣應(yīng)用到軍用仿真領(lǐng)域相關(guān)研究單位委托合作的三個(gè)項(xiàng)目以及長(zhǎng)江三峽五級(jí)船閘運(yùn)行控制系統(tǒng)仿真演示中av免费体验区试看，解決了應(yīng)用程序接口的匹配性以及程序的可擴(kuò)展性等一系列推廣應(yīng)用中的關(guān)鍵技術(shù)，取得了良好的社會(huì)效益與經(jīng)濟(jì)效益亚洲av人妻不卡，得到用戶的一致好評(píng)www黄视频在线观看。