1.
The quantitative relation among the threshold wind velocity of sand movement, sand diameter and the agglutinate stress of sand bed is obtained with the mentioned dimensionless variables.
经分析得到起沙风速与沙床沙粒粒径和沙床粘结力间的数量关系 .
2.
It has been proved, the bed material load, wash load and total load follow the same rule of carrying capacity.
证实了床沙质、冲泻质与全沙具有统一的挟沙能力。
3.
a sofa that converts to a bed
可改为床铺的沙发.
4.
a sofa that is convertible(into a bed)
可改（为床铺）的沙发
5.
The sofa converts into a bed.
这张沙发可以改成床.
6.
The sofa doubles as a bed
这只沙发又兼作床用。
7.
A couch that also goes for a bed.
一个可用作床的长沙发
8.
The sofa can also function as a bed.
这沙发也可以当床.
9.
The sofa functions as a bed at night.
这沙发在夜里可以当床。
10.
a firm cushion, mattress, sofa, etc
结实的坐垫、 床垫、 沙发等
11.
The sofa converts into a double bed
这张沙发可改为双人床。
12.
A large sofa, often convertible into a bed.
坐卧两用沙发大沙发，经常可变换成床
13.
At some higher velocity the ripples or dunes disappear and the bed becomes flat.
流速增大时，沙纹、沙垄消失，河床变平。
14.
A long backless sofa, especially one set with pillows against a wall.
长沙发，沙发床长无靠背的沙发，尤指靠墙有枕头的沙发
15.
Preclinical and Phase Ⅰ Clinical Trials of Salvicine;
沙尔威辛临床前试验及Ⅰ期临床研究
16.
Mathematical Model of Non-steady Water-sand Movable Bed of Sedimentation Reservoir
多沙水库非恒定水沙动床数学模型研究
17.
ANN model for flow resistance of movable bed formed by uniform sediment
均匀沙床面动床阻力计算的人工神经网络模型
18.
For some sediments and flow the flat bed does not occur and the bed form goes directly from dunes to antidunes.
对某些泥沙和水流，平整床面并不发生，而床面形状则直接从沙垄转为逆行沙垄。