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Experimental plots were established for thinning effects on stand and tree growth, tree species composition, species diversity and soil factors etc. in the mixed larch-spruce-fir stands which originated from planted larch pure forest by observations for 1
中文意思:
摘要以15块人工落叶松纯林演化后形成的落叶松云冷杉混交林为对象,间伐后12年观测结果,研究间伐对林分和树木生长、树种组成、物种多样性及土壤等因子的影响。


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Experimental data shows the improved algorithm can decrease the times of comparing and enhance the matching speed effectively. 实验结果表明改进的模式匹配算法能减少比较次数,有效地提高了匹配速度。
Experimental data using the axis-translation and osmotic techniques were compared and discussed. 对文献中采用轴平移和渗透技术得到的试验结果进行了比较和讨论。
Experimental diabetes drugs that target the kidney may offer a new way for diabetics to control their blood sugar. 以肾脏为靶向的试验阶段糖尿病药物,可能为糖尿病人控制血糖提供一种新方法。
Experimental methods focus on measurement and analysis of thermally driven and wind-driven airflows, lighting intensity and glare, and heat flow and thermal storage. 实验方法的重点包括下列数据的量测与分析:由热或风所引起的气流、照明强度和眩光、热流和热储存。
Experimental platform is an important base for re-allocation and optimization of teaching resources, recombination of the resource, enhancement of the information management, promotion of academic development, cultivation of the talent innovation. 摘要高校实验平台是重组教学资源、优化资源配置、实现资源共享、加强信息管理、促进学科发展、培养创新型人才的重要基地。
Experimental plots were established for thinning effects on stand and tree growth, tree species composition, species diversity and soil factors etc. in the mixed larch-spruce-fir stands which originated from planted larch pure forest by observations for 1 摘要以15块人工落叶松纯林演化后形成的落叶松云冷杉混交林为对象,间伐后12年观测结果,研究间伐对林分和树木生长、树种组成、物种多样性及土壤等因子的影响。
Experimental projects will be conducted in ocean engineering laboratories illustrating concepts taught in class, including ship resistance and model testing, lift and drag forces on submerged bodies, and vehicle propulsion. 在海洋工程实验室中的实验计画将辅以解释课堂间所教授的概念,包括船阻及模组测试、沈体之升力及拖曳力及载具推进力。
Experimental researches on operating characteristics of three-electrode repetitive gas switch were performed on the accelerator CHP01, and experimental results were analyzed. 摘要以CHP01,加速器为实验平台,对自行研制的重复频率三电极气体开关的工作特性开展了实验研究,并对实验结果进行了分析。
Experimental result approves the performance of the algorithm. 试验结果证实了算法的性能。
Experimental result shows that the layout of the capillary tubes along the down slope at a rational gradient and increase of the inlet pressure are helpful to improve the uniformity of capillary tubes. 试验结果表明,将毛管铺设成恰当的顺流下坡坡度或提高入口压力均可提高毛管的滴灌均匀度。
Experimental result shows the algorithm has nearly the same edge preserving performance as nonlinear multiwavelet transform, and nearly the same speckle noise suppression performance as filtering. 此算法对原图像进行多小波变换,然后在不同尺度,不同方向进行自适应阈值处理,仿真结果表明:本算法能够有效地抑制了斑点噪声,又保留有用信号及边缘信息。
 
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