以减产幅度为标准，在棉花开花期以前热量充足的情况下，后期生长热量指数低于64为一般延迟型冷害年指标，低于61.8为严重延迟型冷害年指标。
Due to output reduction heat index in the later below 64 was usually defined as delay cool damage year and below 61.8 more serious year under the sufficient heat condition before blooming.
正常血管内皮细胞在培养2天后进入指数生长期，表现为S型生长曲线；
Normal endothelial cells entered exponential growth stage from the 2nd day of culture, showing an "S" shape growth curve.
正常血管内皮细胞在培养2天后进入指数生长期，表现为S型生长曲线；
Normal endothelial cells entered exponential growth stage from the 2nd day of culture, showing an "S" shape growth curve.
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