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。
The men with a genetic tendency toward lower BDNF levels seemed to lose their ability to perform complicated tasks at almost double the rate of the men without the variation.
基因遗传变异易含有较低的BDNF水平，也容易比没有遗传变异的人多了达两倍的机会丧失操作复杂任务的能力。
Conclusions: the variation of sciatic nerve and piriformis, piriformis diseases and the narrow of "double threshold" are the main reasons for sciatic nerve, especially common peroneal nerve injury.
结论：坐骨神经与梨状肌的变异、梨状肌病变及“双门槛”狭窄等，均是构成坐骨神经尤其腓总神经卡压损伤的重要因素。
The phase accords with other observation results basically, while the amplitude of variation is double. Our result of the amplitude is more close to the theory value (0.17%).
相位基本与其它观测结果相符，而变化幅度大1倍，我们的结果更接近于理论估计结果（0.17%）。
Furthermore, the existing form, main composition and their variation of double bond in the side-chain of urushiols were discussed as well.
本文还对漆酚类侧链中双键的存在形式，主要组成及变化进行了分析讨论。
The experimental evidences show that both actions of double exchange interaction and small polarons are responsible for the variation of the CMR effect.
实验结果表明，是双交换作用和小极化子效应的共同作用决定了CMR效应的特性。
Damage in concrete medium leads to a variation of elasticity and viscosity. Damage theory with double parameters is presented to describe the damage.
混凝土的损伤会引起弹性和粘性性质的改变，利用弹性和粘性的双参数来描述损伤，建立双参数损伤理论。
Further study on this basic phase-variation equation results in the variation equation of the critical temperature of double hexagonal prism superconducting network in foreign field.
由此方程出发，计算了双层六角棱柱超导网络的临界温度随外磁场的变化关系。
The sunshine percentage show double wave variation.
年日照百分率呈双波型变化。
The results showed that the density variation induced by double-diffusive convection is significant to the formation and evolution of A-segregates.
结果表明，糊状区中由于热溶质双扩散对流造成的密度变化是形成A偏析的根本原因。
Repetition and variation structure, dimly visible double narrative model is an important feature of the film narrative.
结构上的重复与变奏、隐显双层叙事模式是其影片叙事的重要特征。
Based on the features of this double-pipe system, the working principle and variation of operation parameters were discussed.
根据双套管系统特点对其原理、操作参数调整变化进行了说明。
High order guided mode in double metal-cladding waveguide is more sensitive to the refractive index variation of the polymer guiding layer by comparing with low order guided mode.
双面金属包覆波导高阶导模对聚合物薄波导层的折射率变化比低阶导模更敏感。
It regards the variation of parameter of fault structure as a perturbation on the perfect structure. Crack fault of the double decker space frame is probability diagnosed as an example.
将故障结构的参数变化看作是对完好结构参数的“摄动”，以圆截面双层空间刚架的裂纹故障为例对其进行了概率诊断。
The fourth chapter is the double guidance product variation strategy model construction and the implementation.
第四章是双导向产品差异化战略模型的构建与实施。
To overcome the interference problem, the double balance shafts mechanism is studied, and a method of flexible variation of installation position is realized.
为了克服干涉问题，重点研究了双轴平衡机构，得到了一种能使安装位置自由变动的方法。
To overcome the interference problem, the double balance shafts mechanism is studied, and a method of flexible variation of installation position is realized.
为了克服干涉问题，重点研究了双轴平衡机构，得到了一种能使安装位置自由变动的方法。
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