河床

There are still people searching for gold on the bed of the river.

现在仍然有人在河床上寻找黄金。

It's so long since it rained that the river bed is dry.

很久没有下雨了，河床都已乾涸。

Most of the soil in the river bed has washed down over the years from the mountains.

河床的大部分泥土都是多年来从山上冲刷下来的。

We shall have to widen out the river bed to avoid flooding.

我们将加宽河床以防洪水。不适合

She gazed down at the dry river bed.

她凝视着下面干涸的河床。

A set of mathematical model is developed and the scouring of aerated jet flow on river bed is simulated.

在贴体非正交曲线坐标系中，采用控制体积法对掺气射流对散粒体河床的冲刷进行了数值模拟。

Obviously armoring layer existed in the surface of the river bed.

河床表面具有明显的粗化层。

An ancient bus stopped by a dry river bed and a party of famous actors and actresses got off.

一辆古旧的大客车在一条干涸的河床边停下，一群著名男女演员下了车。

Water table, the gravels and sands of the former river bed, and its sandbars, will be saturated

这里讲了一种特别的和上面原理一致的胆识小范围的情形，那就是扇形的坡面，河床，海床等。

The bed of a stream or river .An ancient bus stopped by a dry river bed .

一辆古式的公共汽车停在一条干涸了的河床旁边。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。