He came up with the relationship that nu bar, which is called wave number --He found the reciprocal.
他也提出了它们与波数的关系,波数是波长的倒数。
They might say for that sort of music: "All right. We're now going to have a thirty-two-bar solo.
他们会事先交流好要演出一段怎样的乐章,好吧,我们要出一段三十二小节的独奏曲
- So double bar means if this condition or this one -- and maybe even both -- are true, go down this road and execute that code.
所以复纵线意思是,如果这两个条件之一-,或者两个都--是成立的,那就继续,执行后面的代码。
Okay. Kit-Kat bar, you're right and one more.
对,奇巧威化,大家猜对了,再来一个
So, the two most elementary ideas you learn are what is the average velocity of an object, as then ordered by the symbol v-bar.
你们学过的两个最基本的概念是,物体的平均速度,用"v拔"表示
If x is high relative to x-bar--this is positive-- then y tends to be low relative to its mean y-bar and this is negative.
如果x比x均值要大,这个为正,而y比y均值小,这个为负
Okay. Obviously, this is the bar of syncopation-- we did this in section last week-- but you can see this note is the syncopated note.
显然,这个小节里包含了切分节奏,上周的课我们提到过,我们看到这个音符是切分音符
The population mean is often written "X-bar."
总体均值一般写作X拔
So what this means is that this graph -this bar is significantly different from that one, this from that one, and this from that one, so they visually are different but they're also statistically different.
这就表示星形所在的这个柱子,与另外一个柱子差异显著,另外两列也是同样道理,它们不仅看起来有差别,而且在统计义上也有差异显著
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