Taking the quantity and quality into consideration, the day temperature between 25℃and 30℃was the proper temperature for the production of lettuce.2.
综合昼温对水培生菜产量和品质的影响,昼温保持在25℃和30℃之间较为适宜。
参考来源 - 温度和光周期对水培生菜生长的影响及生长模型初探When average day temperature was 13.5癈, the root-knot nematode finished its postinfection development within 34 days.
根结线虫在平均日温为13．5℃下完成寄生阶段生活史约需34d。
参考来源 - 香蕉根结线虫生物学特性及防治研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The temperature remained below freezing point throughout the day.
全天气温一直在冰点以下。
Like when you walk outside on a hot day, you perspire, and your body cools itself down, a classic example of how a mammal regulates its own body temperature.
比如，当你在炎热的天气在户外行走，你会出汗，你的身体会自我降温，这是哺乳动物如何调节自身体温的典型例子。
In the Sahara, the difference in temperature between the day and the night is pretty big.
在撒哈拉沙漠，昼夜温差很大。
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