试述采用测回法观测水平角一测回的操作步骤、记录、计算方法。
越冬洄游
分植造林(分生造林)
What does a router do?() Stores data on the network and connects the local-area network (LAN) to the wide-area network (WAN)。 Routes traffic down alternative paths and connects the local-area network (LAN) to the wide- area network (WAN)。 Broadcasts data to all devices that are connected to it across the local-area network (LAN) and wide-area network (WAN)。 Reads Media Access Control (MAC) addresses to forward messages to the correct location and connects the local-area network (LAN) to the wide-area network (WAN)。
鼎信诺审计系统数据初始化第五步设置本年利润科目的作用是()。 审计系统自动识别这个科目的发生数据不参与计算,不影响审计系统生成的利润表数据。 没有任何作用。 只是提示审计人员了解企业做账时利润结转科目为哪个科目。 影响总账明细账数据。
紊流粗糙区的水头损失与流速成()。