bench gravel是什么意思

用法例句

Formation of Keriya River terraces and uplift of Western Kunlun;

克里雅河阶地的形成与西昆仑山隆升

Analysis on the Difference of the Soil Fertility in Different Types of Grey Fluvo-aquic Soil in the First Terrace of Hanjiang River;

汉江一级阶地不同类型灰潮土肥力差异性分析

Authors think that the shuanglong gold placer is a terrace-type gold placer, which is an outwash accumulation due to the glacial and chemical actions in the mid-late pleistocene and the early Holocene epochs.

本文通过对双龙砂金砂床的地貌、沉积物、金的粒度及形态、矿床产出特征的研究，认为该矿床是在中晚更新世及全新世初期的冰川（水）的作用及化学作用下而形成的冰水堆积－阶地型砂金矿床。

Because the river terrace is the result of interrupting neotectonic uplift and its forming stages are bound up with the geologic climate cold warm changes,i.

由于河流阶地是间歇性新构造抬升的产物，其形成阶段又与气候的冷暖变化相关，即冷期阶地陡坎形成，暖期阶地堆积物形成。

To understand the evolutionary history of the water system in the upper reaches of Changjiang River,river terraces in the lower reaches of Jinshajiang River(from Shigu to Qiaojia,sampled at Panzhihua,Yuzha,Longjie,Aoga,Malutang,Aqiao and Huadan) and the Chuanjiang River(from Yibin to Fengdu,sampled at Yibin,Luzhou,Hechuan,Lijiatuo,Guangyangdao,Changshou and Fengdu) were analyzed.

以金沙江石鼓-巧家河段与川江宜宾-重庆丰都河段的阶地堆积物物质成分变化为着眼点研究了长江上游水系变迁。

River terraces were developed and preserved well in the outlet of Heishan Gorge of the Yellow River, Northeast margin of the Tibetan Plateau.

青藏高原东北缘黄河黑山峡出口地段夜明山 -长流水沟一带 ,黄河的河流阶地发育和保存的较好。

Lithologic characteristics of the unsaturated zone and its impact on adsorption and degradation of pesticide in the first grade terrace of Songhua River;

松花江一级阶地包气带岩性特征及其对农药吸附与降解的影响

The new viewpoint of this research is that a large sandstone uranium of the interlayer oxidized zone is controlled the stable land mass, the special paleogeographic environment and "the structural terrace"on Cenozoic era pressure shearing fault depres.

提出了天山古岛弧系中 ,伊犁多相地块之上中新生代压扭性断坳盆地内稳定地块与特定的古地理环境及其“构造阶地” ,共同控制层间氧化带大型砂岩型铀矿的新观点 ,并将“水液型”砂岩型铀矿的成因归结为“双合”式铀成矿模式及其“八位一体”的综合信息找矿模式。