苹果果实日灼是一种常见的生理病害，每年在世界各主要苹果产区均有发生，给生产造成巨大损失。
Apple fruit sunburn, a common physiological disorder, happens widely in main apple-producing areas on the world and results in a huge loss annually.
使用自制的日灼诱导设备，在无风或微风的晴天对活体果实进行田间日灼诱导，通过改变诱导室内的气温来控制和调节果面温度，从而确定了不同苹果品种果实发生日灼的阈值温度。
A special inducing device for fruit sunburn was made to study the "threshold temperatures"with attached fruit. The results showed that, the device worked perfectly in calm, clear and sunny days.
那天是八月一日，一个晴朗的日子，灼日当空，万里无云。
It was the 1st of August - a perfect day, with a burning sun and cloudless sky.
那天是八月一日，一个晴朗的日子，灼日当空，万里无云。
It was the 1st of August - a perfect day, with a burning sun and cloudless sky.
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