A rational grazing system(GS)is the prerequisite for utilizing grassland properly and giving full play to the potential of grassland resources.
合理的放牧制度是对草地进行合理利用，充分发挥草地资源潜力的前提。
Selective grazing of the native cattle and sheep in Inner Mongolia under the continuous grazing system during May and December 19% and 1997 was studied.
1997年间，作者对自由放牧条件下放牧于沙地草地的蒙古牛和蒙古羊的选择性采食进行了观察研究。
The diurnal ruminating difference between different seasons was the result of the effect, which was caused by the climatic factor, grass condition, and the grazing system.
日反刍行为的季节间差异是由气候、草地状况和放牧制度共同影响的结果。
Through comparing effects between grazing systems and a feedlot system on the degenerated vegetation, the roles of rotational grazing system playing in vegetation recovery were investigated.
通过对比研究放牧制度及围栏封育对退化草地植被的影响，来探讨划区轮牧在退化草地植被恢复中的作用以及最优的放牧方式。
He and his family have built a farm system of rotational grazing that is based on the biological patterns found in nature.
他和家人一起根据自然生态平衡建立起了牧草循环的农场体系。
The analytic method of gray incidence degree in gray system was employed to study the relationship between daily gain of grazing sheep and restrictive factors.
采用灰色系统中灰色关联度的分析方法对羊草草原放牧绵羊日增重的气象限制性因素进行了研究。
In this paper, the grey system analysis were used to study the nutritional limitations affecting the productive performance of the grazing sheep.
本文应用灰色系统理论中的灰色关联度分析法，对影响放牧绵羊生产性能的主要营养限制因素进行了研究。
The grazing behavior in early and intermediate stage of grassland contract was analyzed by employing the model of growth and consumption in pasture system, into which the discount rate was introduced.
利用牧草生长-消费模型，引入贴现影响，分析了牧民接手草地后的承包前期和中期放牧行为。
KBA microscope is a type of non-symmetrical and non-coaxial grazing incidence imaging system.
KBA显微镜是一种非轴对称、非共轴的掠入射成像系统。
Grazing dis continuities in the poincare map of the vibratory system with a gap are likely to be a major cause of the unusual routes to chaos for the system.
冲击振动系统的映射“擦边”奇异性可能是这种非常规转迁过程的主要原因。
Through analysing the yield, grass-layer structure, root system of the plant, many suitable characteristics were identified for its use in grazing pasture.
通过对草地早熟禾的产量、草层结构及根系结构进行分析，表明了几乎在所有观测宜牧性状中，草地早熟禾均表现为良好的适宜特征。
And a set of equations, through which the main basic parameters of a grazing incidence optical system were calculated, were calculated from the common equations of those reflecting surfaces.
通过此方程组可得到掠入射光学系统详细的初始设计参数。
The rate of S biological cycling was about 0.40 in the grazing sheep system. The amount of S through feces and urinary return was as 6 times as through litter decomposition.
在硫的生物循环过程中，硫的循环速率为0.40，而绵羊通过粪尿归还的硫量是植物凋落物归还量的6倍；
The rate of S biological cycling was about 0.40 in the grazing sheep system. The amount of S through feces and urinary return was as 6 times as through litter decomposition.
在硫的生物循环过程中，硫的循环速率为0.40，而绵羊通过粪尿归还的硫量是植物凋落物归还量的6倍；
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