# I am the Watcher. I am your guide through this vast new twtiverse.
#
# Usage:
# https://watcher.sour.is/api/plain/users View list of users and latest twt date.
# https://watcher.sour.is/api/plain/twt View all twts.
# https://watcher.sour.is/api/plain/mentions?uri=:uri View all mentions for uri.
# https://watcher.sour.is/api/plain/conv/:hash View all twts for a conversation subject.
#
# Options:
# uri Filter to show a specific users twts.
# offset Start index for quey.
# limit Count of items to return (going back in time).
#
# twt range = 1 1
# self = https://watcher.sour.is/conv/gaxlxwa
永磁同步电机目前发展现状如何？面临哪些技术挑战？**
先上个自己做的思维导图，大概说下现在的电机分类。
同步电机根据产生磁场方式可以分为 电励磁同步电机**（转子绕组在外接电流下产生磁场）和 永磁同步电机（转子直接加上永磁体）。
而永磁电机实际早在 ... ⌘ Read more