以12个玉米品种为材料，在春播与夏播条件下进行玉米叶龄指数与穗分化期回归关系的试验研究。

With 12 maize varieties used as materials, the regression relationship between the leaf number index and spike differentiation were studied under the spring and summer sowing.

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IGF - 1r表达与肿瘤病理类型、肿瘤分化程度、吸烟史及吸烟指数均无相关性。

The IGF-1R expression status shown no correlation with tumor pathological status, tumor differentiation status, history of smoking, as well as smoking index.

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与常规水稻栽培方式相比，鸭稻共作方式下水稻株高、叶面积指数、生物量有减小的趋势，而且在有效分蘖期和幼穗分化期存在着显著或极显著差异。

Compared with the CRMS, the height, leaf area index and biomass of rice in IRDFS decreased and there was a significant difference during the tillering and heading stage.

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