weaning to breeding interval（断奶到配种间隔）
weaning to breeding interval（断奶到配种间隔）
相关考题：
若想使时钟控件每隔0.25秒触发一次Timer()事件，则可将Interval属性值设为( )。A．Interval=0.25B．Interval=25C．Interval=250D．Interval=2500
若想使时钟控制每隔0.25秒触发一次Timer()事件，则可将Interval属性值设为A．Interval=0.25B．Intetval=25C．Interval=250D．Interval=2500
给哺乳的犬断奶的方法，说法不正确的是（）。A、仔犬喂养到45天应立即断奶B、断奶太早，消化机能不健全，抗病力差C、哺乳时间长加重母犬负担，影响母犬正常代谢D、为防止母犬乳房炎的发生，可采用分批或逐渐断奶法
When the Cisco IOS OSPF command ip ospf dead-interval minimal hello-multiplier 5 is configured， which two statements are true？ （）A、OSPF hello interval is 5 secondsB、OSPF hello interval is 1 secondC、OSPF dead interval is 1 secondD、OSPF dead interval is 5 secondsE、OSPF dead interval is 20 secondsF、OSPF hello interval is 0.2 second
Which three are DATETIME data types that can be used when specifying column definitions? （）A、TIMESTAMPB、INTERVAL MONTH TO DAYC、INTERVAL DAY TO SECONDD、INTERVAL YEAR TO MONTHE、TIMESTAMP WITH DATABASE TIMEZONE
多选题When the Cisco IOS OSPF command ip ospf dead-interval minimal hello-multiplier 5 is configured， which two statements are true？ （）AOSPF hello interval is 5 secondsBOSPF hello interval is 1 secondCOSPF dead interval is 1 secondDOSPF dead interval is 5 secondsEOSPF dead interval is 20 secondsFOSPF hello interval is 0.2 second
单选题Breeding the hybrid offspring to fix desirable traits is called ______.Anaturally selectingBinbreedingCpedigree breedingDpure-breeding
名词解释题诱变育种（induced mutation breeding）