4.The ratio between the threshold retinal irradiance for light damage to the solar spectral irradiance at each wavelength provides a starting point for this.

 
  • 每個(gè)波長(cháng)光強度的極限值;以及對應的太陽(yáng)光強度;所得的比例(估且稱(chēng)為"極限比例");可以作為安全系數的計算起點(diǎn).
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