朝正,也称“贺正”、“元会”。指大臣在新年向皇帝拜贺。据传周代每逢新年,诸侯要向周天子“朝正”,即朝贺新年。
这无疑是朝正确方向迈出的一步。
这虽不能解决问题,却是朝正确方向迈出的一步。
This won't solve the problem but it's a step in the right direction.
虽然这只是小小的改进,但至少是朝正确方向迈出的一步。
It's only a small improvement, but at least it's a step in the right direction.
And we're going to have q2 prime, and we're going to draw the arrows in the positive direction in these cases.
还有q2一撇,在这个例子中,我们把箭头朝正方向。
Then you guys know, you just told me, acceleration is -9.8, We call it "minus" because it's accelerating down and up was taken to be the positive direction.
然后你们都知道,你告诉我,加速度是-9.8,我们取负号是因为加速度方向朝下,而正方向为竖直向上
By the way, I didn't tell you this but I think you know that I picked my origin to be here and measured y positively to be upwards and I called that 15 meters.
顺便说一下,虽然我没明确指出,但我想你们应该都知道,我把原点取在这里,并规定y的正方向朝上,我设把这里的高度为15米
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