他说,与传统的课堂系统相比,这项技术有明显的优势,因为在传统的课堂系统中,学生往往要等上几天或几周才能拿到成绩。
He said the technology would offer distinct advantages over the traditional classroom system, where students often wait days or weeks for grades.
他们也知道有更强大、更可靠、更快速的系统,但他们的雇主根本不会提供资金来购买这些系统。
They are also the ones who know there are systems that are more powerful, reliable and faster, but their employer simply will not put up the funds to buy them.
即使如此,SimpliSafe 声称它的系统一直在进化,而且各个系统之间有细微的差别,这意味着没有一个通用的神奇公式可以破解它。
Even if they could, SimpliSafe claims that its system is always evolving and that it varies slightly from system to system, which means there wouldn't be a universal magic formula for cracking it.
OK, clearly we'd be much better off if we had some systematic quantitative way to tell whether something would happen spontaneously.
好,如果我们有一些系统定量的方法来判断,一个过程是否会自发进行,那就会更好了。
We have got an extensive subway system and an extensive bus system that we have had for 60, 70 years.
我们有大规模的地铁系统和巴士系统,它们已经有差不多六七十年的历史了。
There is a plurality of solutions that conform to the boundary conditions, which is that the system must be bound.
这有许多解决方式,来遵守这个有界条件,那个系统必须是有界的。
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