在5%的选择强度下，除茎围、叶长较低外，其余性状物均可获得较大的遗传进展。
Based on 5 % selecting in tensity, the characters could get more obvious hereditary progress, except the stem diameter, leaf length.
而叶片的长度、宽度、有效叶数及茎围，都与产量呈正相关，只有节间距与产量呈负相关。
The leaf length, leaf width, number of productive leaves and stem thickness were positively correlated with yield whereas the internodal length only was negatively correlated with yield.
优化了300MW汽轮机的调节级，采用了子午面端壁收缩的弯曲叶栅，动叶为自带围带三销钉三联叶片，再用铆接围带形成整圈联结叶片。
The control stage of improved 300MW steam turbine used bowed static blade cascades with convergent tip endwall and integral shroud triple pin rotating blades.
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