一般认为,具有0.4以上的遗传力值的性状就有选择效果。
骨干教师的素养包括哪几个向度()。 哲学向度。 心理向度。 文化向度。 政治向度。 教育向度。
Which two are advantages of static routing when compared to dynamic routing?() Security increases because only the network administrator may change the routing tables。 Configuration complexity decreases as network size increases。 Routing updates are automatically sent to neighbors。 Route summarization is compued automatically by the router。 Routing traffic load is reduced when used in stub network links。 An efficient algorithm is used to build routing tables,using automatic updates。 Routing tables adapt automatically to topology changes.。
主营业务和其他业务收入的划分标准,一般以营业额的大小予以确定。
遗传力越高,对微环境抵抗力就越强,选择准确度就越高。
Which two statements about the use of VLANs to segment a network are true?()