Light compensation point, saturation point and CO2 compensation point were also determined.

还测定了光补偿点，光饱和点和CO2补偿点。

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At the same time, some megacities in the low and middle-income world already seem to have reached a point of saturation.

FORBES: The World's Fastest-Growing Megacities

Environmental campaigner, Dr Mark Forskitt, said the island had reached saturation point in population growth.

BBC: Cap on Jersey population possible says minister

Although mid-market department stores are at saturation point, the luxury-goods business is thriving.

ECONOMIST: A $5 billion luxury purchase