温度对组培苗的生长发育具有重要的作用，提高光合光量子通量密度会引起微环境温度强烈变化。
Temperature plays a vital role in the growth of plantlets in vitro. To enhance the photosynthetic photo flux density can cause a drastic change in temperature.
冠层上方和下方总的光合光量子通量密度具有明显的日变化和季节变化，并且冠层上下变化规律一致。
The total photosynthetic photon flux density above and below canopy has a significant diurnal and seasonal changes and the changes of the upper and lower canopy are consistent.
利用周期轨道理论，我们计算了在不同情况下，一个粒子在二维谐振子势中存在和不存在磁通量时的量子能级密度。
Using the periodic orbit theory, we computed the quantum level density of a particle in the two-dimensional harmonic oscillator potential with and without the magnetic flux line for different cases.
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