I got an unexpected demonstration of the double dispatch pattern in real life the other day.
几天前在实际生活中我意外地得到了双重分发模式的一个演示。
We can use a pattern called Double Dispatch to pull out the variation into the subclasses in such a way that we don't break existing interface contracts.
我们可以使用称为双重分发的模式将变化推入子类中，通过这种方式，我们不需要破坏现有的接口定义。
Note that evaluate returns a Double, which means that each case in the pattern match is going to have to evaluate into a Double value.
注意evaluate返回了一个Double，它意味着模式匹配中的每一个case都必须被求值成一个double值。
Programmers can identify the problem by learning about the Double Descent bug pattern.
程序员可通过学习DoubleDescent 错误模式来识别这种问题。
Under the double influence of foreign novels and classical Chinese novels, it made conscious use and reform of this pattern.
在域外小说以及中国传统小说叙事模式的双重影响下，它对这一叙事模式进行了自觉的运用和改造。
The side walls feature a double stretcher-stretcher bond that results in a pattern of diagonal perforations, following the direction of the sloping site.
侧墙以粘结在一起的双层横木为特色，形成了一种斜向贯穿的图案，顺应倾斜的基地的方向。
The engines were arranged in a double pattern.
发动机安排成一个双重的图案。
A pattern of single and double niches is hollowed out of the walls.
墙上掏空形成单、双龛的模式。
The systematic pattern and its actualities of tourism anthropology research are analyzed from the double dimension of the entrance process of tourism and cultural contact in practice.
从旅游进入过程和文化的实际接触的二维角度分析了旅游人类学研究的系统模式及其现状。
Second, it USES resource proxy pattern to realize role-based access control of mobile agents. Thus, it can give the sensitivity resource double protection.
二是采用资源代理模式实现移动代理基于角色的权限特化，对敏感资源进行双重保护。
This is a good sign because the market has now made a double bottom "w" pattern.
这是一个好的兆头，因为市场已经作出了双层底“W”的模式。
Finally, the waiting area was set up to solve the problem of waiting for tide and ships, and the pattern of double buoys mooring was adopted in the waiting area design.
最后采取设置候潮区的方法，解决船舶候潮和上、下船舶错航时待航问题，候潮区采用双浮筒系泊方式设计。
The correlated double sampling circuits are realized in the inner system, the circuits can effectively reduce fixed pattern noise.
在系统的内部实现了相关双次采样电路，有效地抑制了固定噪声。
Moreover, the rural disease pattern are now transforming to chronic pattern, thus the farmers are now facing double disease burdens.
农村疾病模式也正向慢性病模式转变，农民面临双重疾病负担。
At the same time, the pattern that is formed by the highest degree adverbs combined with the modified component involves three kinds: fronting, postposing and double one on the tactic mode.
同时，在组配模式上，极性程度副词与被饰成分所形成的格式主要有前置、后置以及双重等三种类型。
A pattern of multiple frames, irregularly split frames, and double-page spreads effectively heightens the drama of the story.
多样化的风格，不同寻常的舒叙事构，双页续展有效地提高故事的戏剧性。
Through theoretical analysis and numerical simulation, the pattern reconfigurable feasibility of the structures of butterfly, folded dipole and double-feed is analyzed.
本文通过理论分析和软件数值仿真，分析了蝶形结构、折合偶极子结构以及双馈方式实现方向图可重构的可行性。
After many years research and practice, the employment-oriented double-certificate education pattern is a suitable operating one.
经多年的研究与实践，以就业为导向的双证书教育模式是目前高职教育较为合理的运行模式。
Through the calculation of the finite element method(FEM) models for double circular arc profile spiral bevel gear, the stress changing pattern along the length of the tooth is obtained.
用有限元方法，对双圆弧弧齿锥齿轮沿齿长方向齿根应力进行了计算。通过应力计算结果的分析，得出了凸、凹两齿侧应力沿齿长的分布规律。
When the eating habits of the carriers of the double risk variant for obesity was analyzed the pattern was clear.
在携带双肥胖风险基因的人群中对饮食习惯做了明确划分。
Based on the double bridge structure of microelectronics test pattern, the method of defect model parameter extraction is presented in this paper.
基于微电子测试双桥结构，本文给出了缺陷特征参数提取方法。
Alternatively, if you've downloaded the source files at the end of this post, simply install the included . Pat pattern set by double clicking on it.
另外，如果您已经下载在文章最后的源文件，只需安装包含。八通过双击它设置模式。
Finally, the successive regression models for predicting the rice yield of the first crop under double-rice pattern in those regions were developed, with which, the rice yields in 1985 were...
通过逐段回归方法，分区建立了逐段预测模式，并作了1985年分区产量试报。
The regular sentence pattern of Da Ya, that is, a paragon of the style of Book of Songs, actually reflected the rhythm of court music under the restriction of Zhou double-tone bells.
“诗体”的典范——《大雅》诗组规整的句式，其实是周代“双音钟”制约下的雅乐节奏的折射。
1800 relative rotation between the diffraction pattern and micrograph that would not be detectable in the double exposure technique illustrated in fig. l. 3.
图表1。3所示的双曝光技术中对于衍射模型和显微图并没有表示出来，这个倒置，就在衍射模型和显微图之间形成了一个额外的1800相关旋转。
Engraved pattern of "fortune fish" to double the price, a price an ordinary parrot fish 10, the text is behind the price of the lowest 25.
刻上花纹的“发财鱼”价格翻番，一条普通的鹦鹉鱼卖价10元，文身后的价格最低是25元。
In the double-channel impeller, the flow has better flow pattern without obvious back-flow area.
双流道叶轮内流动也不均匀，但没有出现明显的回流区，流态较好。
This paper studies the fault classification and diagnosis method of the double-bridge 12-pulse waveform controlled rectifier circuit based on pattern recognition.
研究了一种双桥并联可控整流电路的故障分类及诊断方法。
Using the results of fuzzy cluster analysis, the rice producing areas for the first crop under double-rice pattern in Jiangsu Province were divided into 4 regions.
采用模糊聚类分析方法，将本省双季早稻产区分为太湖、宁镇、通扬和盐阜四个区。
Using the results of fuzzy cluster analysis, the rice producing areas for the first crop under double-rice pattern in Jiangsu Province were divided into 4 regions.
采用模糊聚类分析方法，将本省双季早稻产区分为太湖、宁镇、通扬和盐阜四个区。
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