Sentence 1: The spectral light levels that can be used by plants for photosynthesis are similar , but not the same as what is measured by lumens .
Sentence 2: The spectral levels of light that can be used by plants for photosynthesis is similar to , but not the same as what 's measured by lumens .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?