Well, the first observation is that the velocity vector what can I say about the velocity vector of this motion?

首先，第一个观察到的就是速度向量,关于这个运动中的速度向量，我可以说点什么呢？

youdao

Well, to answer that we have an easy observation, which is that the vector from Q0 to Q of t is proportional to the vector from Q0 to Q1.

为了回答这个问题，我们观察可以知道，由Q0指向Q的那个向量,和由Q0指向Q1的向量成比例。

youdao

We need humility in the face of complex problems that require observation, trials, testing — — and honesty to acknowledge when well-intentioned, deeply-committed efforts still don't work.

面对需要观察、尝试、考验的复杂问题，我们需要谦卑；如果为了良好目的付出的艰苦努力没起作用，我们需要诚实地承认。

youdao

Well, I mentioned that this was just sort of a more modern observation of one that had been made in the past.

我提到过这只是过去所做的观察里,较为先进的一个

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To make this transition will require greater scientific research and cooperation, as well as observation and monitoring systems, including early warning systems, to gain a better understanding of this complex system.

UNESCO: THEMES

Your well-said observation that "it's almost like your problems are competing to be the No. 1 stressor" is also a very classic mental marker for depression.

CNN: Stress has taken over: How can I turn my mind off?

This is based on data from PortalPlayer as well as the simple observation that Apple unveiled its then new iPod photo around the same time last year, and that they'll want to cash in on the same holiday season buzz they did then.

ENGADGET: Color iPod minis by October?