当前货币体系是信用本位制下的以浮动汇率为特征的“无体系的体系”(Non-system System),美元是唯一关键货币,多种币存。在过去千年国际货币体系历史演变中,货币一度钉住贵金属。
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system risk and non-system risk 系统风险与非系统风险
After the collapse of Bretton Woods System in 1970's, most of the countries once acted willfully in the "non-system system".
上个世纪70年代布雷顿森林体系崩溃之后,各国一度在“无体系的体系”中自行其是。
GLRX2 and TXN1 are oxidation-reduction reactions related to human genes, coding antioxidase system member thioredoxin and non-enzymatic system member glutaredoxin respectively.
GLRX2 和 TXN1 是人体细胞内有关氧化还原反应的基因,分别编码抗氧化酶系统成员硫氧还蛋白和非酶系统成员谷氧还蛋白。
It is important to separate functionality and non-functionality of a system, but also to precisely scope the non-functionality of a system as in the example below.
在系统中将功能性和非功能性分离是很重要的,同样,像下面这个例子中那样给予非功能性适当的范围也很重要。
On his twenty-fourth birthday, doctors told Onalfo he had non-Hodgkin's lymphoma, a cancer of the immune system.
VOA: special.2010.06.02
And this is very important, because the Romans, as their power grew in the East, they simply moved increasingly into the eastern Mediterranean and they adopted the whole Greek system, the Greek world, and they didn't even try to make it non-Greek.
这点非常重要,因为随着罗马人的势力在东方日渐壮大,他们不断朝地中海东部推进,并采取了全套希腊系统,希腊世界,甚至没有作出任何非希腊式的改变。
We're going to talk about this kind of non-covalent interaction more when we talk about the immune system, because one example of ligand and receptors that's important in the immune system are antigens - foreign molecules, and antibodies - molecules that we produce.
当我们讲到免疫系统的时候,会更详细地谈到这种非共价化合反应,因为在免疫系统中,一个重要的配体受体结合反应,就是抗原,即外源分子,与抗体,这个人体自身产生的分子结合
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