以开心形丰水梨幼树为试材，通过轻剪、重剪和不修剪处理对其树体生长指标、产量、根系分布度进行比较分析。
The young trees of open-center shaped Housui pear were used as the material to study the effect of different pruning rate(light, heavy and no) on the pear tree growth, fruiting and root growth.
对电渣重熔高速钢轧材方型偏析形成原因进行了分析试验。
The origin of square segregation in high speed tool steel bars in electroslag refining is analyzed.
钛材内部的组织结构对材料性能的影响十分重大。
The internal structure of Ti alloy has great impact on the performance of the material.
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