查询词典 silvicultural

Depending on the size of the stand, each sampling bend, takes from the main Casuarina silvicultural boundary line near the sea, and then acrosses the stands.

应用因素分析与鉴别分析，建构健康指标协助评等，以了解海岸林木麻黄的健康状况。

2By using analytic hierarchy process, linear programming, multiobjective decision, principal component analysis and the analysis models integrated with GIS to process the spatial model analysis of the FOSDS.(3) Having finished the data of statistics, site type classification, management type organization, forest felling-plan, silvicultural planning, optimization of project, forest conversation pragramming and special topic map.

利用层次分析法、线性规划、目标规划、主成分分析以及Citystar软件的分析模型进行模型处理与分析；（3）完成了资源数表统计、立地类型划分、经营类型组织、木材采伐规划、营林规划、森林保护规划、方案优化及林业专题图的制作。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。