free circle中文什么意思

自由回环

• free:    adj. (freer; frees ...
• circle:    n. 1.圆；圆周；圈；环；环状物。 ...
• free backward hip circle:    腾身回环

例句与用法

1. Gene cassette could be integrated into an integron with recombination between atti and attc sites by integrase ( inti ) , or excised from an integron and become a free circle molecule
   基因盒可从整合子中切除成为游离的环状分子，或者将外源基因盒捕获并整合入整合子。