1) cost sum
1/2路径和
2) "1-2-2-1" ideas
"1-2-2-1"思路
3) saturation rang
饱和路径
1.
According to the theory of no-accumlate carring and saturation rang,takingthe example of water main of water lift and irrigate work in Luanjintan,Alashan League,In-ner Mongolice,we give two methods of canal protected from sands:(1)Canal in“U”section.
本文依据非堆积搬运理论和饱和路径学说的原理,以内蒙古阿拉善盟孪井滩扬水灌溉工程引水干渠为例,提出了荒漠、半荒漠地区渠道防沙措施,包括:(1)渠道横断面结构选择“U”型断面;(2)渠道两侧固沙防护林草体系。
4) sub cost sum
子路径和
5) approach to peace
和平路径
6) PSⅠ 1 and PSⅠ 2
PSI-1和PSI-2
补充资料:8 1/2