In the Basel I there were Tier I capital requirements and they defined Tier I capital as capital in a certain form -it's stockholders equity plus preferred stock.

第一次巴塞尔协议提出了一级资本要求,他们将一级资本定义为,一种特定形式的资本金,就是股东权益加上优先股

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When I started this company back almost nine, ten years ago, I started to recruit talents, recruit engineers, and I wrote in the job description that requires five-plus years of related experience.

大约是9到10年前，公司成立初期，我们开始招聘人才，招聘工程师，职位介绍由我亲自执笔,要求具有五年以上的相关工作经验。

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We know it's going around in a circle because if I find the length of this vector, which is the x-square part, plus the y-square part, I just get r square at all times, because sine square plus cosine square is one.

我们之所以知道它做圆周运动,是因为我求出了这个矢量的模长,也就是 x 的平方加上 y 的平方,我就得到了它在任意时刻的模长平方,因为正弦平方加余弦平方始终等于1

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