second intermediate host造句怎么写

2、The result showed that the infectiosity of crab which considered as second intermediate host was 6.82%;

4、Objective Investigation of the species ofParagonimus, its first and second intermediate host (snail and crab) and the infection rate ofParagonimus in Songxi county, Fujian province.

6、The second intermediate hosts are Potamon chinghungense and Potamon hispidum, with natural infectious rates of 53.19% and 66.67% respectively.

3、Studies on the freshwater crabs as the second intermediate host of lung flukes from South Anhwei,China,Ⅰiminary description of a new species,Sinopotamon Jixiense,sp.nov.(Crustacea:Decapoda,Sinopotamidae)

1、Results The second intermediate host for Paragonimus is Sinopotamon pinheense Cheng et Li, 1998.

5、The results confirm the first intermediate hosts are several species of Tricula, and the second intermediate hosts are Potamon chinghungense and P. hispidum.