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1·The result offers reference on protection forest system construction in small watershed.

这一结果为小流域尺度防护林建设提够了一定价值的参考依据。

2·The drainage and irrigation ditch system should be combined with roads and protection forest.

排灌沟系统、道路、防护林三者应尽可结合布设。

3·Protection Forest on sandy meadow was established by mixing broadleaf trees to raise stability of sandy meadow system.

为提高草沙地系统稳定性，采用阔叶树混交方式营建草沙地防护林。

4·The area ratio of protection forest and economic forest in forest land, thin stocked land and shrubbery land is about 34:1.

有林地、疏林地和灌木林地中防护林与经济林的面积比例约为34：1。

5·The effect of protection forest for pasture on grass quality and grassland productivity is the key for estimating its function.

草牧场防护林对牧草质量和草场生产力的影响是评价草牧场防护林效益的关键。

6·The effect of a test reformed low beneficial protection forest established on the Huaying mountain has been observed and appraised.

通过对华蓥山低效防护林改造试验研究及水文效益观测分析得出：低效防护林改造的水文效益明显。

7·The benefit of a test reformed low beneficial protection forest established on the Huaying mountain has been observed and appraised.

通过对华蓥山低效防护林改造试验的效益观测分析得出：低效防护林改造的保土效益明显。

8·These results will provide an important theoretical basis to protection forest construction in the wind-water erosion crisscross region.

研究结果可为水蚀风蚀交错带沙区防护林建设提供理论依据。

9·Zhejiang province, which take pine as coast-protection forest mainly, has suffered a lot since the invading of pine nematode in recent years.

浙江省因其许多沿海防护林以松树为主，近年来由于松材线虫的大面积危害已造成了极大的损失。

10·Shaanxi Provincial Three-North Protection Forest System development was one of the Six Key Forestry Programs in Shaanxi implemented by the State.

陕西三北防护林体系建设工程是国家在陕实施的六大林业重点工程之一。

防护林

1·The drainage and irrigation ditch system should be combined with roads and protection forest.

排灌沟系统、道路、防护林三者应尽可结合布设。