- Most STR has no function of coding, maybe they have activating matter, recombination site and the function of combining site of DNA topoisomerase.
- The Method used to separate anti-tumor activity matter from bark of Ailanthus altissima Swingle was studied in this paper.
- As a matter of fact, I've never been there before.
- He professed to know nothing about the matter.
- This paper studies the fertilization of gangue weathering matter centered around its serious deficiencies in organic active matter and available nutrients.