释义 |
crassifoliaCOCA³¹⁵¹¹¹⁺⁴ 基本例句 🌏叶苞繁缕;匍匐忍冬;厚叶铁线莲 The soil porosity and moisture content of Picea crassifolia community and Picea crassifolia community are increasing with the increase of converted years, and on the whole present a growth trend. 青海云杉群落、白桦群落土层孔隙度和持水量状况随退耕还林年限增加,大体呈增长趋势。 fabiao Because of the rampant outbreaks serious harmfulness of seed insects, the quantity and quality of picea crassifolia seed have reduced largely, which badly influences the ecological ruction of forest. 青海云杉由于种实害虫的猖獗发生和严重危害,致使种子的产量和质量大幅度下降,严重影响着林业生态建设。 cnki The results show that the intraspecific competition of Picea crassifolia is more intensive than its interspecific competition with other species of accompanying trees; 结果表明:青海云杉种内竞争较之与伴生树种间的竞争剧烈; www.gsau.edu.cn The distribution of withered litters of moss and hydrographic characteristics of Picea crassifolia forestry in the middle of Qilian Mountain was mainly dealt with. 对祁连山中段青海云杉林苔藓枯落物分布与水文特性能进行了试验研究。 cnki |