节瓜坐果呈周期性，植株生长和果实发育均呈“S”型曲线变化。
There was periodicity in fruiting of Chieh-qua, plant growth and fruit development were in "s" trend.
最新育成中熟大果型西瓜新品种，果实发育期32天左右，植株生长势中强。
The latest incubation medium big fruit, fruit varieties watermelon, 32 days of strong growth.
“双s”型生长曲线因不同品种的果实生长量和三个生长期持续时间不同而波动趋势有差异。
The motion trend of growth curve of double s form shows difference because of different fruit growth quantity of different varieties and different last time of three growth periods.
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