在极少情况下，疫苗中的病毒可能变异成一种可导致瘫痪的类型，这就是人们所称的疫苗衍生脊髓灰质炎病毒(VDPV)。
In very rare instances, the virus in the vaccine can mutate into a form that can paralyse - this is what is known as a vaccine-derived poliovirus or VDPV.
然后遍历元素声明的代替链或类型层次结构，以决定元素声明是否满足代替或类型衍生要求。
They then traverse a substitution chain of element declarations or a type hierarchy to determine whether the element declaration satisfies the substitution or type derivation requirements.
因为我们可以通过能给类发送的消息知道这个类，所以这意味着衍生类和基类属于同种类型。
Since we know the type of a class by the messages we can send to it, this means that the derived class is the same type as the base class.
Objective Caml：OCaml是组合了静态类型和隐式类型的Lisp的衍生物，它在不牺牲生产率的情况下提供了高性能。
Objective Caml: OCaml, a Lisp derivative that combines static and inferred typing to deliver high performance without sacrificing productivity.
这些化学制品适合于尿烷泡沫加工，并较传统类型二元醇衍生的泡沫不易燃烧。
These chemicals are compatible and processable in urethane foam formulations and less flammable than foams derived from other conventional type glycols.
这意味着基类和衍生类拥有相同的类型和行为，这是没有意义的。
That means objects of the derived class have not only the same type, they also have the same behavior, which doesn't seem particularly interesting.
这些特殊类型的衍生工具被称为非上市证券市场（OTC）衍生工具，尤其是期货，是在外汇基础上交易的。
These particular types of derivatives are called over-the-counter (OTC) derivatives and futures in particular are traded on an exchange.
这些类型都是高度不育的，正如由基本的二倍体衍生三倍体和同源四倍体一样。
These forms are highly sterile, as would be expected of triploids and of autotetraploids derived from basic deploids.
采用各种类型的聚乙二醇衍生物修饰胰蛋白酶，对所修饰酶的酶学性质进行了评价并与原酶比较。
Trypsin was modified by a series of PEG derivatives, then the properties of modified enzymes were evaluated and were compared with native enzyme.
文章借助英语词汇的构词方式，通过大量的新词实例分析了英语新词来源的三种类型：衍生词、新生词和外来词，并以例句简要说明了英语新词的用法。
By using word -formation devices, this paper analyzes three main sources of new English words: derivatives, coinages and loanwords, and illustrates their usages by citing some examples.
以这个前缀开头的类都是代理类，API类设计为你衍生和创建自己的对象类型。
Classes with this prefix are all Proxies, API classes designed for you to derive from and create your own object types.
而煌斑岩原始岩浆可能并不存在，煌斑岩是普遍类型的基性岩浆在源区或侵位过程中遭受地壳混染的衍生物；
Perhaps there are no lamprophyre magmas, and lamprophyres derive from common basic magmas which are contaminated by the crust in their source or the process of emplacement.
实体类型支援继承：也就是说，一个实体类型可以衍生自另一个实体类型。
Inheritance is supported with entity types: that is, one entity type can be derived from another.
集合类型没有衍生的代理类型，只有实例，得到添加到集合中导出的代理。
A collection type does not have a derived proxy type, only the instances that get added to the collection are derived proxies.
醇类及其各种类型的衍生物广泛应用于防腐、杀菌剂、医药、香料、杀虫剂等领域。
Alcohols and different kinds of derivatives are applied in these fields widely. Such as antiseptic, bactericide, medicine, spices, insecticide, etc.
羊水干细胞“显然能衍生出众多重要的细胞类型，但是还不能与胚胎干细胞相媲美。”
The cells from amniotic fluid "can clearly generate a broad range of important cell types, but they may not do as many tricks as embryonic stem cells, " said Dr.
这些特殊类型的衍生工具被称为非上市证券市场(otc)衍生工具，尤其是期货，是在外汇基础上交易的。
These particular types of derivatives are called over-the-counter (OTC) derivatives and futures in particular are traded on an exchange.
金融产品主要涵盖三个层级，即金钱以及其它类型的结算和付出工具、基础金融产品、金融衍生品。
Banking articles mainly includes three levels, namely bill and added types of adjustment and transaction tool, the basal banking products, banking derivatives.
这些衍生品合约，无论是哪种类型的场外交易，都具有法律约束力，并且受到普遍采用的国际掉期及衍生工具协会（International Swaps and Derivatives Association）主协议的约束。
These derivatives contracts, no matter how over-the-counter they are, are legally binding and guided by the universally-applied International Swaps and Derivatives Association Master Agreements.
在衍生类别中覆写时，取得或设定正在接收资料的内容类型。
When overridden in a descendant class, gets or sets the content length of data being received.
为此，在例如矿物油或合成油类型的基础油中加入了作为添加剂的天门冬氨酸衍生物和多元醇的脂肪酸酯。
To this end an aspartic acid derivative and a fatty acid ester of a polyhydric alcohol are incorporated as additives in a base oil of e. g. mineral oil or synthetic oil type.
当在衍生类别中覆写的取得这个编辑的内容项目的项目类型。
When overridden in a derived class, gets the item type for this editing context item.
因此认为本属的祖先花序类型可能力较原始的螺旋状花序，而不是从聚伞状花序中衍生出来的总状花序。
The ancestral inflorescence of the genus Tulipa is supposed to be more primitive drepanium than raceme which is deprived from cyme.
因此认为本属的祖先花序类型可能力较原始的螺旋状花序，而不是从聚伞状花序中衍生出来的总状花序。
The ancestral inflorescence of the genus Tulipa is supposed to be more primitive drepanium than raceme which is deprived from cyme.
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