在参考一些关于无刷电机驱动的书籍和帖子的时候,发现高手或是大师好像都比较惜字如金,一些问题往往点到为止或者一笔带过,有些看似简单的问题会让像我这样的电调DIYer困惑很久。所以在本文行文时,笔者力图把问题以大白话的形式说明白,如果各位有觉得哪里看得不明不白的,可以回帖提出(时限一个月,呵呵),我会修改文档以试图将问题讲清楚。如果有些问题我无法回答,我会老老实实跟你说我也没搞清楚,还要请高手来解惑啊。如果发现我哪些内容讲错了,也请不吝指正。

Read more

I'll be honest: I've had a love/hate relationship with turning 40 this past year. As a writer, I've wanted to share what I enjoy about the new decade I've hit. In fact, I've been taking silent note of what is great about my life now, and how it differs from when I was in my 20s or 30s. I'm appreciating it with new eyes and wanted to record that.

Read more

I'll be honest: I've had a love/hate relationship with turning 40 this past year.As a writer, I've wanted to share what I enjoy about the new decade I've hit. In fact, I've been taking silent note of what is great about my life now, and how it differs from when I was in my 20s or 30s. I'm appreciating it with new eyes and wanted to record that.

Read more

斯塔夫里阿诺斯在《全球通史》中说,真正的世界历史开始于1500年。的确,在此之前,大洋和荒漠将人类分割在世界各地,各个部族和国家基本上生活在彼此封闭的世界当中。直到1500年前后,大航海时代来临,世界才真正地连为一体。

Read more

V