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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。
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So if I get rid of these arrows, there's no heat flowing because they're in thermal equilibrium, then I can't have an arrow here.
所以如果我擦去这些箭头，没有热流存在,因为它们处于热平衡，那么这里也不能存在一个箭头。
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You could do one of these little boxes they do in sociology or political science, and have these arrows running all over the place.
你可以把这些画成图示,像在社会学和政治学课上那样,把箭头画得到处都是
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Most of the time, when we deal with vectors, we don't draw these arrows anymore.
多数情况下,当我们处理矢量时,就不再画出这些箭头了
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I'm sure there were bows and arrows at that time, but they did not yet have the kind of armor that they would have in this time.
我能肯定那个时候已经有弓箭,但强力的盔甲,那时肯定还没有出现
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He's armed with spear and bow and arrows.
他配有矛，弓和箭。
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The lists of reasons to kill himself were "the slings and arrows of outrageous fortune," "a sea of troubles," and "the heartache in the thousand natural shocks that flesh is heir to."
一张是要自杀的原因,“命运的种种捉弄和折磨”,“无穷尽的烦恼“,”血肉之躯必定要承受无数的,锥心之痛“
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You drive your car in, it shows you by the arrows where you go, you stop at window one to make your order and pay, and then you go to window two to collect your food, and they're open twenty-four hours.
你开车进来,沿着箭头指示,直到第一个窗口停下,点单,付账,再开到第二个窗口领取食物,他们是二十四小时营业的
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You might have also heard about the RISC complex, or the RNA silencing complex, and these are the biological mechanisms that are involved here and only shown by orange arrows on this slide.
你们也可能听说过RISC复合体,也叫RNA沉默复合体,幻灯片上给出了这些涉及的生物机理过程,并将它用橙色的箭头指示出来
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Well, the other guy has got people -- I should have mentioned on the sidelines, one way or another, shooting arrows at you, throwing javelins at you, things like that.
好,对方会有人 --,我应该讲过,在侧面,从各种不同的角度,向你射箭,向你投标枪,等等
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However, there are light arm troops made up of those too poor to be in the phalanx, who do use projectiles and the projectiles are arrows, javelins, or stones thrown by slings.
然而的确有轻装部队,由没法进入方阵的穷人组成,他们使用投掷武器,包括弓箭,投枪,或者绳索绑着的石头
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In the textbook, they use boldface arrows.
在课本上,用粗体来表示矢量
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They had very poor bows and arrows.
古希腊人的弓箭是非常落后的
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If two arrows are equal, you cannot be longer in the x direction and correspondingly short in the y direction.
如果要使两个矢量相等,那么即使 x 分量长一些,y 分量相应地小一些也是不行的
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If you want to add two vectors, you can add the arrows by the rule I gave you or just add the components of x of the two guys to get the component of the sum and likewise for the y.
如果要把两个矢量相加,你可以用我教给你们的箭头相接的方法,或者就将二者的 x 分量相加,得到和矢量的 x 分量,y 方向也是这样
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