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So, if we're trying to figure out the wavelength of a Matsuzaka fastball, we need to consider the velocity first, which is 42 miles per hour.
如果我们尝试计算一个,松阪发出快球的波长，我们首先需要考虑速度，每小时为42英里。
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in Manhattan with the exception of 42nd street, 14th street.
除了曼哈顿的第42街和第14街。
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We don't usually do our chemistry calculations in miles per hour, so let's switch that to 42 meters per second, so it's -- sorry, it's 94 miles per hour.
在化学计算中我们很少,用英里每小时，所以我们把它换算为42米每秒，对不起，它是94英里每小时。
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And then the conversion of joules to electron volts is entry 42. If you multiply those two together you will end up with this quantity.
然后焦耳和电子伏的转换,是在第42个常量，如果你把这两个放一起,你将得到这个数值。
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x >> Okay. I'll dereference the pointer x 42 to store the number 42 into its pointee.
>，好的，我废除这个指针,在指针数据中存储数字。
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If these 8 million people , would correspond to the number of neurons in the brain, the equivalent of the hair cells that you could get out of a single cochlea would be equivalent to one person walking down 42nd street.
如果这八百万人,相当于大脑中的神经元数量的话，能从一个耳蜗内取出的毛细胞,就好比是,第42大街上的某位行人。
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A sleep macho used to be "I only get forty-two minutes of sleep a night."
夸大数字的那些人,“我一晚只睡了42分钟”
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2 Let me go ahead and put the number 42.
我放置数字。
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If I do x equals 42, I'm not going to put the 42 here, where am I going to put it?
如果，x，=，42，我不会把42放在这里，我把它放在哪里？
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We need to tell the computer go to the address in x * and put 42 there so is the symbology there & or *?
我们需要告诉计算机，通过x定位到那个地址,然后在那里存储42，这里是用&还是？
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So, now we have said go to the address stored in X, which is who knows, it's over there, put the number 42 there so what I've just drawn is this part of this story here.
那么，现在我们指明定位到存储在x中的地址，那就是把数字42放在那里,我所画的就是这一部分。
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In this case, to store 42 in there.
这种情况下，把42存储在那里。
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We divide that by the mass, so 0.12 kilograms, that's the mass of a regulation baseball for the major leagues, and the velocity of the baseball is 42 meters per second. So, we can cross out our units doing our unit analysis.
我们用质量来除它，质量为0，12千克，这是大多数联赛规定的棒球质量,棒球的速度为42米每秒,所以，我们可以消去单位,来做单位分析。
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