【简答题】图表(Chart)有哪三种工作(显示)模式?
【判断题】种群的三种内分布型中最常见的是均匀型分布。( )
【单选题】按照我国专利法的规定,专利的种类包括( )。
【单选题】种群的三种内分布型中最常见的是均匀型分布。( )
【单选题】下面的图表显示了种群分布的三种模式。 The diagrams below show three patterns of population dispersal. Which population is most likely to exhibit the dispersion pattern marked C? 哪些种群最有可能表现出C标记的扩散模式?
A.
A population of king penguins aggressively defend small territories within their habitat. 一群企鹅在它们的栖息地积极保护小领土。
B.
A purple sage plant population releases chemicals from their roots that prevent competitors from growing in the area. 一种紫色的鼠尾草植物种群从根部释放化学物质,阻止竞争者在该地区生长。
C.
A population of hyenas live on a savannah where the only sources of water are several watering holes. 鬣狗生活在一个稀树草原,那里唯一的水源是几个水坑。
D.
Wind disperses the seeds of a dandelion population across fertile fields with nutrient-rich soil. 风把蒲公英种群的种子分散在肥沃的肥沃土壤中。
【简答题】专利的种类包括:( )、实用新型专利、外观设计专利。
【简答题】按照我国专利法的规定,专利的种类包括哪三种?
【简答题】图表( Chart )有哪三种刷新 ( 显示)模式?