协议允许您在先前存在的类型上定义多态函数。
Protocols allow you to define polymorphic functions over preexisting types.
数据类型允许您创建支持先前存在的功能的新类型。
Datatypes let you create new types that support preexisting functions. Together they let you extend your code in both directions, as shown in Figure 3.
我通过言语行动,与语言作为非行动的某物先前存在。
There's no difference between me acting through speech and language preexisting as something which is not action.
保险公司不得拒绝和取消先前存在的保险。
Insurance companies could not deny or cancel coverage for people with pre-existing conditions.
梅贤祖押着先前存在夏老板手上的一批军火前去救援。
MeiXianZu and the previous summer boss hand there a batch of arms to the rescue.
因缘告诉行为先前存在决定价值，目前存在(价值转世)。
Karma tells that the ACTS of a previous existence determines the value of the present existence (the value of reincarnation).
这些行和列的交汇表示了所有先前存在的实现，您不想或无需变更这些实现。
The intersection of those rows and columns represents all preexisting implementations, which you don't want or need to change.
这些妇女有先前存在的心血管疾病或有3种及以上的冠心病风险因子。
The women had pre-existing cardiovascular disease or three or more coronary risk factors.
在美国、英国和其他先前存在泡沫的经济体，家庭部门仍将增加储蓄、偿还债务。
In America, Britain and other former bubble economies, households will still be increasing their saving and paying down debt.
如果真理是，对一种错误的系统化字符的认可，那么它会完全依赖于这个错误的先前存在。
F truth is the recognition of the systematic character of a certain kind of error, then it would be fully dependent on the prior existence of this error.
有一个异常是关于先前存在的AdminConfig attributes命令的。
One exception concerns the preexisting AdminConfig attributes command.
解决表达式问题使将先前存在的类型扩展到新方法成为可能，所有这些都不重新编译现有代码。
Solving the Expression Problem makes it possible to extend preexisting types to new methods and extend preexisting methods to new types, all without recompiling existing code.
这些先前存在的条件赋予该地块特征，并且还有一个后院，从沙滩到达这里，这似乎是一个理想的居住之处。
These preexisting conditions characterized the site as a contained backyard, which appeared to be an ideal situation to take distance from the life of the beach.
在完成以上的步骤之后，您就新建了一个版本6的单元，该单元的部署管理器管理着所有先前存在的版本5的节点。
After completing the above steps, you will have created a new V6 cell whose deployment manager manages all the pre-existing V5 nodes.
首先，在您现存的软件交付过程中采用这些步骤，与先前存在的过程脚本一起，将它们转化为BuildForge项目的过程。
First, take the steps in your existing software delivery process, along with preexisting process scripts, and translate them into the steps for a Build Forge project.
慢性肺部病变患者的呼吸性酸中毒情况由为严重，因为在这些患者中，先前存在的呼吸性酸中毒可因其它疾病或损伤而加重。
The problem is particularly serious in patients with chronic pulmonary disease, in whom pre-existing respiratory acidosis may be accentuated by another illness or injury.
如果上面一层存在层数据(并且之上还有一层)，则先前层的这些平均颜色数据将被写入输出图像。
If layer data exists for the above layer (and there is a layer above), this average color data for the previous layer is written to the output image.
这个受体先前被认为是一个简单的营养转运体，但是它被发现甚至远在肠道内也存在，在那里大多数营养都已经被吸收了。
This receptor was previously thought to be a simple nutrient transporter, despite being found in even the furthermost reaches of the intestine, where most nutrients would already have been absorbed.
先前的相关研究表明，地球轨道周围也存在类似的尘埃空洞，其尘埃是来自小行星带的。
Earlier studies have shown that the Earth does the same thing with dust released from the asteroid belt.
删除存在于先前版本中的一个元素。
对存在于先前版本中的元素重新命名。
变更stereotype的类型或者存在于先前版本中的class属性。
Change the type of a Stereotype or Class attribute that existed in the previous version.
IGAA帮助Barb对该解决方案进行测试，并提示她验证先前所有的症状(或者任何新的症状)都不复存在(图19)。
IGAA helps Barb test the solution and prompts her to verify that none of the previous symptoms (or any new symptoms) sill exist (Figure 19).
先前的研究只关注存在有明显活动星核的星系，这很可能导致结果产生偏差，Jahnke说。
Earlier studies looked only at galaxies with the brightest active nuclei, which could have biased their results, Jahnke said.
开发者(先前由于可能存在的侵权被MySpace封杀)现在必须证明他们合法并有权通过网络传播他们的音乐。
Developers — previously ousted from the site for potential copyright infringement — must now prove they're legally entitled to stream the music they're hawking.
Singhal说：“这个研究有力地证明了在早期营养和后期人类肥胖之间存在的联系，这个发现被许多先前的研究所阐明也在很多其他动物身上证实。
This study robustly demonstrates a link between early nutrition and having more fat in later life in humans – a finding suggested by previous studies and confirmed in many other animals.
你继续使用推特，仍无任何通知，这使你想起初中时代，当酷小孩佯装你不存在一样（当然，先前对此我一概不知，而是读了相关故事）。
And you continue to tweet, as the silence begins to remind you of Junior High when the cool kids pretended you didn’t exist. (I don’t know about this first hand , of course — but I’ve read stories.)
你继续使用推特，仍无任何通知，这使你想起初中时代，当酷小孩佯装你不存在一样（当然，先前对此我一概不知，而是读了相关故事）。
And you continue to tweet, as the silence begins to remind you of Junior High when the cool kids pretended you didn’t exist. (I don’t know about this first hand , of course — but I’ve read stories.)
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