而正是这种均匀过渡的结构使纳米晶体上放射出的光子与吸收的光子数量能保持一致。

Thanks to the gradient, the stream of emitted photons is the same as the stream of absorbed photons.

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在光子图象中，一个电子确确实实是一下子吸收一股能量，而不是逐渐地吸收。

In the photon picture, an electron literally absorbs a blast of energy as opposed to a gradual trickle.

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模拟结果表明，对于这种脉冲激光，光化学中双光子反应主要是由起始时未被充分散射和吸收的脉冲所驱动，而单光子反应是由经散射后的浸射光所驱动。

For the impulse, the two-photon reactions were dominated by the initial primary (unscattered and unabsorbed) pulse and the single—photon reactions were dominated by the scattered diffuse light.

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