In Toutang small watershed of Huize county,contrast test and research were carried out on growth and protective function of 7 species in 4 different site types.
根据金沙江流域防护林建设的需要，在会泽县头塘小流域的４种不同立地类型内，进行了７个树种的生长和防护功能对比试验研究。
Based on the research of mountain system characteristics of Toutang small watershed,the integrated techniques on structure adjustment,allocation model and construction were studied.
在对头塘小流域山地系统特征了解的基础上，探讨了该区域山地防护林体系结构的调整、配置方式和营建技术。
a big fish in a little pond
1. 小塘中的大鱼
All the lit- the duck- lings swim in the pool.
小鸭子在池塘里游泳。
In the middle of the forest, there is a small pond.
森林的中央有座小池塘，
There are gnats around the pond.
水塘四周有小昆虫。
The path loops around the pond.
这条小路沿池塘绕一圈。
In a small pool big waves never build up.
小池塘里不会有大浪，
If you are a little fish in the pond, then I will be a frog, singing with you everyday!
如果你是池塘里的小鱼,我就是池塘里的赖蛤蟆.每天陪你唱歌!
small tropical gannet having a bright bill or bright feet or both.
嘴或（和）脚颜色亮丽的热带小型塘鹅。
A pond formed by a milldam.
贮水池由磨坊水坝形成的小池塘
The path descends to the pond
这条小径向下延伸至池塘。
cresses that grow in clear ponds and streams.
生长在清水池塘和小溪里的水芹。
When the play is over, the dragon is put into a pool to drown the insects.
舞毕将草龙急插于水塘内把小虫淹死，
Jerry was a big fish in a little pond.
杰里是小池塘里的一条大鱼。
The pond was railed off to stop children falling into it.
池塘用栅栏围起隔开,以防止小孩落水。
The pond be rail off to stop children falling Into It
池塘用栅栏围起隔开,以防止小孩落水
Troll Male -"I got a shrunken head. I just came out of the pool."
我的头变小了，我刚从池塘里出来。
Beside the lotus pond there is a small tortuous cinder path.
沿着荷塘，是一条曲折的小煤屑路。
Structural optimization of polyculture model of fish-mussel in small-scale reservoirs
山塘小水库蚌鱼混养模式的结构优化