This paper describes the principles of ecotype hydraulic protection and related treatment techniques for gentle slope, steep slope, gully head, scouring gully, water catchment area and revetment.

文章阐述了生态型水工保护的原则，从缓坡、陡坡、沟头、冲沟、汇水塬、护坡、崾岘的处理等方面，介绍了生态型水工保护技术。

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Ahead of us lies a steep cliff. Let's head back.

削的悬崖，我们还是回去吧。

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Road D: get to the East Gate from the distinctive pathway full of local customs, and then head to the Zhongtai Park Lot. There, 58 steep but exciting turnings are waiting for us.

我们今天所走的是第四条路沿着崆峒风情大道抵达东门票点，再经过急而险的五十八道弯到达中台停车场。

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"We know in this marketplace with previous launches that there can be a rapid uptake followed by a steep decline, " Ian Read, Pfizer's head of worldwide marketing, told analysts.

FORBES: Magazine Article