介绍已有工作
- who uses … to
- who applies … to
- in […], the author proposes
- who investigates …
- a/an … algorithm has been proposed
- As explored in […],
- Works such as […]–[…] have demonstrated that … can then be used as
缺点后的转折
- For this reason
- Although these proposed algorithms achieve better performance of than …, the drawbacks are still obvious
