Most antennas are made in the shape of a dish to collect and reflect the radio waves to the sub reflector, in the same way as a curved mirror focuses visible light to one point.

大多数天线被制成碟形，用以收集和反射无线电波至亚反射器，就像曲面镜将可见光聚焦于一点一样。

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Even so, powerful signals point to a long period of sub-par growth.

即使这样，强烈的信号仍然指出长时间的低增长。

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At some point, a module cannot be broken further down into sub-modules.

有些情况下，一个模块看上去不能再被划分成子模块了。

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x It says, take the name x and create a binding for that name to the value of the sub-expression and in fact to do this, to stress a point, let's do that.

它的意思是，创建了一个名字,然后创建了对于这个名字,和子表达式的值的绑定,实际上这么做，我们是为了，要强调一个点，让我们来说说这个点。

麻省理工公开课 - 计算机科学及编程导论课程节选

We've got some chords set out and we're going to-- we've got some chords set out here and we're in the key of C at this point, and we're going to hear Beethoven go to a tonic chord, then a sub-dominant chord, then a tonic chord, then a dominant chord and so on.

我们看到有一些和弦-,而我们现在在C调的位置上，然后听贝多芬的主音和弦，然后是次属音和弦，然后是主音和弦，接着是属音和弦，如此往复。

耶鲁公开课 - 聆听音乐课程节选

Sub Michael McGrade's point extended St Pat's lead to two and they held on to claim an emotional triumph.

BBC: St Pat's claim first Erne title

He soon put together a group to play the songs live, at which point Rogue Wave landed a deal with Sub Pop Records.

NPR: Rogue Wave On World Cafe

From 2010 to 2011 there was a 4.7 percentage point increase in retail card originations to sub-prime borrowers, making up 31% of 2011 retail credit card originations, Equifax says.

FORBES: Subprime Lending Is Back, And That's Not Such A Bad Thing