您的代码可以更加具有多态性——任何对一种类型的方法有反应的对象都可以看作这种类型——所以通常可以比其他语言更精简地表达思想。
Your code can be more polymorphic — everything that responds to a method can be treated as one type — so you can often express ideas much more concisely than you can in other languages.
多态性是一种强大的功能，也是现代编程语言的基础之一。
Polymorphism is a powerful feature and one of the foundations of modern programming languages.
改变子类型中派生组件的实现的能力演示了XML模式中多态性的一种形式。
The ability to vary implementation of derived components in subtypes demonstrates one flavor of polymorphism in XML schemas.
此接口允许多态行为并在下面两种重要情况下提供了灵活性。
This interface enables polymorphic behavior and thus provides flexibility in two important scenarios.
这是一种典型的多态行为—提供相同行为的不同实现(不同的xml解析算法)。
This is classic polymorphic behavior - different implementations (different XML parsing algorithms) that provide the same behavior.
ActiveRecord具有一种称为多态关联的特性，非常适合将通用行为附加给类，完全无需继承。
ActiveRecord has a feature called polymorphic associations that is ideal for attaching common behavior to a class without inheritance.
l一种逻辑上做相同事情，但却有不同实现的机制。我们通常称之为多态机制。
A mechanism for treating different implementations as logically "the same kind of thing" - usually polymorphism is implemented via interface implementation and class inheritance.
使用Python或其它面向对象编程语言的大多数程序员在使用多态性时都采用了一种较为实用和具体的方式。
Most programmers — in Python or other object-oriented programming languages — who use polymorphism, do so in a rather practical and concrete way.
保留索引、借助include使用热加载和在某些地方使用多态关联代替继承是三种可用来改进代码库的方法。
Keeping up with your indexes, using eager loading with include, and using polymorphic associations in places instead of inheritance are just three ways you can use to improve your code base.
在面向对象的行话中，这属于多态性的一种。
以上三种基因均存在显著影响产物表达水平的多态现象，从而推测这些重要的多态改变能够影响中国人COPD的遗传易感性。
There are germline polymorphisms lying in all of the three genes that can cause significant decrease of enzymes expression and might have solid impact on genetic susceptibility of COPD.
本研究也证明了RAPD和SSR两种分子标记在检测不同的AA组型水稻品种间多态性方面是很有效的方法。
It is also demonstrated from this study that both RAPD and SSR analyses are powerful methods for detecting polymorphisms among the different AA genome Oryza accessions.
针对多态系统故障树分析的难点，通过一个多态雷达系统的实例给出了一种基于贝叶斯网络的多态故障树分析方法。
Due to the difficulty of multi-state fault tree analysis, a new method based on Bayesian networks is proposed by means of an example of multi-state radar system.
随机扩增微卫星DNA多态标记是在微卫星dna基础上衍生出的一种新型分子标记。
Random Amplified microsatellite Polymorphisms (RAMPs) is a new DNA molecular marker, which was developed on the microsatellite DNA markers.
采用RAPD技术对供体大豆、受体水稻和两种水稻变异株系的基因组进行了多态性分析。
Genomes of the donor, the receptor and the two kinds of rice variant lines were analyzed using RAPD assay.
同时表明，研究群体间遗传及遗传变异程度，血清蛋白多态性是一种切实可行的方法。
At the same time, we can infer that serum protein polymorphism is a practical method used for studying the degree of heredity and variance.
利用10种10碱基的随机引物，分析了我国8个地方绵羊品种计88只绵羊的随机扩增多态DNA。
The random amplified polymorphic DNA(RAPD) of 88 individuals from 8 Chinese indigenous sheep breeds was studied using 10 arbitrary primers with 10 base pairs.
（扩增片段长度多态性）是一种新型的分子标记技术，目前已广泛应用于分子生物学及动植物育种等领域的研究。
AFLP marker is a new kind of technique, which is widely applied in the molecular biology, high mammal and plants in recent years.
扩增片段长度多态性(AFLP)被称为“下一代分子标记”，是检测DNA多态性的一种新技术。
Amplified Fragment Length polymorphism (AFLP) is called a "descendant molecular marker", and it is a new technique in detecting DNA polymorphism.
以随机扩增DNA多态性法对16种支孢26株菌的DNA指纹图谱作了分析。
Random amplification of polymorphic DNA(RAPD)assay was used to study the finger-printing of 26strains from 16specie s.
线粒体基因组作为细胞核外的一种遗传系统，具有完整性、多态性、自主性和小型性等独特的优点。
As a unique cytoplasmic genetic system, mitochondrial DNA (mtDNA) is a kind of complete, small, self-replica ting and diverse genome.
建立一种利用荧光定量pcr扩增反应进行单核苷酸多态性(snp)快速测定的方法。
A new effective single nucleotide polymorphism (SNP) typing method was developed by using real-time polymerase chain reaction (PCR).
对12份莲雾资源和2个莲雾近缘种进行了ISSR分析，18条引物共扩增出459个位点，其中多态性位点435个（94.77%）。
ISSR analysis with 18 primers to 12 wax apple(Syzygium samarangense Merr. et Perry)germplasm and 2 closely related species produced 459 unambiguous bands, out of them 435(94.77%) were polymorphic.
本文综述了DNA序列分析、P CR限制性片段长度多态性技术和环介导等温扩增技术在带绦虫虫种鉴别中的应用。
This paper summarizes the application of molecular biological techniques in the identification of Taenia, such as analysis of DNA sequence, PCR-RFLP and LAMP.
对黑麦属4个种8个亚种共16份材料进行ISSR标记分析的结果表明，被测材料间ISSR标记多态性较高。
Genetic diversity of 16 accessions of Secale L. , representing 4 species and 8 subspecies, was evaluated using inter-simple sequence repeat (ISSR) markers.
短串联重复（STR）是Y染色体NRY区的多态性遗传标记的一种，又称微卫星。
Short tandem repeat ( STR) is one of the genetic polymorphic markers within the NRY region in Chromosome Y, which is also called microsatellite.
研究金水乌鸡prl基因多态性，为金水乌鸡的保种和持续选育与提高积累分子基础数据。
The study aimed to analyze the PRL gene polymorphism of Jinshui silk fowl, and accumulating molecule basic data for protecting genetic resources and breeding afterwards and improving performance.
用RAPD技术对对虾属中六种对虾基因组DNA的多态性进行研究。
Random amplified polymorphic DNA (RAPD) technique was applied to assess the genetic variations among six species in the genus Penaeus.
用RAPD技术对对虾属中六种对虾基因组DNA的多态性进行研究。
Random amplified polymorphic DNA (RAPD) technique was applied to assess the genetic variations among six species in the genus Penaeus.
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