蝇

Like all Cestoid's each individual has male and female reproductive structures in its proglottid and can reproduce independently.

像所有的绦虫一样，每一条寄生虫的节片上都有雄性和雌性的生殖结构，能够独立生殖。

And the unsteady price is deemed to the main factor of operating risk.

在影响航运企业经营的各因素中，价格波动是最主要的影响因素。