查询词典 silvicultural

Research Institute of Forestry, CAF, Silvicultural Laboratory of Chinese State Forestry Administration, Beijing 100091, China

中国林业科学研究院林业所，国家林业局林木培育实验室，北京100091

The trees may be cut as a part of a silvicultural thinning.

这些树木可以被砍掉作为造林疏伐的一部分。

In addition, SFA and Provincial resources and silvicultural department every year

另外，国家和黑龙江省资源和营林部门每年还要对森林经营活动

Silvicultural treatment is continued at intervals to promote the growth of desirable species.

以后时而进行造林处理，以促进需要的品种的生长。

The silvicultural system has been verified by local expert, which is documented in

当地专家验证了再植系统，《管理和操作指导》已文件化。

Key Lab for Modern Silvicultural Technology of Zhejiang Province,311300 Lin'an, Zhejiang, China

浙江省现代森林培育技术重点实验室，浙江临安311300

Here, too, the developed world could play a key role in the next fifty years helping the developing world take advantage of these more productive agricultural and silvicultural technologies. Whether they will or not is another question

且在未来50年里，发达国家可以在帮助发展中国家改进农业生产技术中发挥重要的作用，当然，他们是否愿意是另一个问题。

Form the analysis it is concluded that the forest will decrease the average annual runoff due to silvicultural treatment.

根据分析，本文认为：一般情况下，森林将使多年平均径流量减少，小面积造林减少得多，近似等于森林增加的蒸散发量；大面积造林减少得少，但不低于森林增加的蒸散发量的35%。

Silvicultural experiment of different land preparation types was carried out on pigeonpea (ICP 7035) at Luku of Nujiang prefecture.

对印度引进的木豆晚熟品种ICP70 35 ，在怒江六库进行了不同整地方法的造林试验。

To achieve these goals, genetically-elite families, clones and hybrids produced by tree improvement and biotechnology programs will be planted and managed with intensive silvicultural systems.

为了完成这些目标，优良遗传基因、无性繁殖和杂交改进树木品种，以及生物工程项目，将会集中用于植树造林体系的种植和管理中。

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。