The nonlinear inverse bremsstrahlung absorption is a main mechanism in the plasma heating at laser - plasma interaction.当激光强度较高时,非线性逆轫致吸收是对等离子体的加热起重要作用的机制.Bremsstrahlung and compound radiation of electron were considered...
实际上，切肉刀也是斧子的一种。In fact, a cleaver is a class of ax.她用切肉刀切掉了它们的尾巴.Who cut off their tails with a carving knife.拿起切肉刀,砍断他们的手.Take out a meat cleaver and cut off their hand....
I read books and draw pictures.我看书,画画.I play football, draw pictures and learn English at school.我每天在学校踢球, 画画,学英语.An artist paints or draws, some artists draw pictures for books.画家是画画的, 有的画家还为书藉画插图....