Methods: To research Xenopsylla Cheopis distribution area and vector role, etc. in the laboratory and fieldwork.
方法通过鼠疫流行现场调查和实验室研究致痒蚤的分布范围、媒介作用的各项指标.
互联网
The salinity tolerance range of this copepod extended effectively acclimation, and display its potential distribution area.
盐度驯化能有效地扩大该种桡足类的耐盐范围, 从而了解其潜在的地理分布范围.
互联网
Larix principis - rupprechtii forest is an important and has a large distribution area in Luya mountain reserve.
华北落叶松林是芦芽山自然保护区的重要林型.
互联网