This period corresponds with the liturgical season of Christmas.这个时期与圣诞节的礼拜季节相一致.An edge corresponds to a corridor and a vertex to the conjunction of several corridors.边对应于走廓,而顶点对应于几条走廓的相交点.The case shown in Figure 56 co...
牲畜所采食的干物质数量会因可消化性差而减少.Intake of dry matter is also impaired by this lower digestibility.动物常有拒绝采食的病史.The animal is usually presented with a history of reluctance to eat.例如, 昼出的小啮齿动物采食浆果 、 坚果 、 树叶 、 果实 、 种子以及昆虫.For example...