diurnal variation
日变化：生物过程或现象在一天内自然发生的变化或波动。
常用释义
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美式发音
基本释义
- 日变化：生物过程或现象在一天内自然发生的变化或波动。
例句
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1·Diurnal variation rate was about 50%.昼夜变化发生率约50%。
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2·The diurnal variation of E layer is relatively smooth.电离层E层的变化相对平缓。
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3·To explore the regularity of diurnal variation of height.探讨身高的日间变化规律。
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4·Temperature was the crucial factor for the diurnal variation.温度是影响排放模式的主要因素。
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5·The diurnal variation of atmospheric DMS was discussed in paper.文中还初步探讨了大气dms的日变化情况。
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6·Thunderstorms mainly occur in summer with obvious diurnal variation.雷暴主要发生在夏季，有明显的日变化；
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7·Soil temperature was the mainly factor controlling the diurnal variation of soil respiration.土壤温度成为影响土壤呼吸的昼夜变化主要环境因子。
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8·The respiration rate (R) was the highest at midday with single-peaked curves of diurnal variation.暗呼吸速率日进程呈单峰曲线，中午最高。
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9·The vertical distribution and diurnal variation law of the bioaerosol concentration in Nanjing City.南京市生物气溶胶浓度垂直分布和日变化规律。
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10·The diurnal variation of photosynthetic in Chuanzao 1, Shuling and CK all showed a single-peak curve.主要研究结果如下：1。川早1号、蜀玲及其CK的光合速率日变化均呈单峰曲线。
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