即通过采用一个中间分支来解决误差信号归一化的问题，通过多径搜索来解决锁相环容易失锁的问题。
Namely the middle branch was used to solve the first problem, and the way of searching multipath was used to solve the second problem.
将你的主要分支连接到中间图片，并将你的第二级和第三级分支连接到第一级和第二级，以此类推。
Connect your main branches to the central picture and connect your second-and-third-level branches to the first and second levels, etc.
但是它也有库房，或者至少一些地方“分支”，比如在自己网站链接上亚马逊网址并得到佣金的中间商。
But it often has warehouses, or at least local "affiliates" such as entrepreneurs who put links to Amazon on their own websites and get a commission.
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