But even with experience, sometimes a double impact is unavoidable.
但是即使有经验，有时双击也不可避免。
The reason for the double impact is generally from two possibilities.
造成双击的原因通常有两种可能。
First, many double impacts occur due to new or inexperienced impact testers.
第一，很多双击是由锤击试验的新手或者不熟练人员造成的。
Chronic kidney disease is subject to the double impact of genetic and epigenetic modification.
慢性肾脏疾病受到遗传因素和表观遗传修饰的双重影响。
One possible technique to overcome the double impact problem is to use the principle of reciprocity.
克服双击问题的一种可能技术是利用互易性原理。
There is a distinct difference in the strength characteristic of brittle materials between single impact and double impact or slow compression.
脆性材料单次冲击和二次冲击或低负荷压缩冲击性能方面有很大的差别。
Artemisia dracunculus the flower bud differentiation is carried out according to certain rules, temperature and light cycle by the double impact.
龙蒿的花芽分化是按照一定规律进行的，同时受到温度和光照周期的双重影响。
Technological advancement has a double impact on employment. The employment effects of technological progress in a certain period of time are not clear.
技术进步对就业具有双重影响，一定时期内技术进步的就业效应并不明确。
According to the theoretical study and the questionnaire, described the characteristics of online communication and network culture on the double impact of interpersonal communication.
根据有关的理论研究和调查问卷，阐述了网络人际交往的特点和网络文化对大学生人际交往的双重影响。
You double the impact of the liking if you have cross-unit or cross-departmental responsibilities and have developed this relationship with both managers.
如果你是跨部门工作，并同时与两位经理建立这样深厚的工作友谊，那你的工作就能得到双份的保障。
There is more sympathy for pensioners, who face a double blow from a freeze in pensions and the impact of tax rises.
对那些靠养老金度日的人们来说，打击是双重的，因为他们不仅面对着养老金的冻结，还面对着缴税的增加。
Double standard four: mining impact.
双重标准之四：开矿的影响。
He describes the effect of the icy climate and asteroid impact as a "double whammy" that paradoxically led to the "flourishing of exotic plankton and the first macroscopic animals".
他把结冰期的到来和小行星撞击两者的影响说为“祸不单行”反常的导致了奇异的浮游生物和第一批肉眼可见的动物的产生。
Internal bolts subject to vibration, fluctuating load, impact load or dynamic load shall be protected against loosening. Double nuts, unti-loose washers, tack welding, etc. shall be used.
可能受到振动、波动载荷、冲击载荷或动力载荷的内部螺栓应加以保护防止松动。可采用双螺母、防松动垫圈、点焊等。
Indeed, wages have been rising at double-digit rates for a decade with no harmful impact on growth, because higher Labour productivity has actually reduced wage costs (see chart 3).
事实上十年来，工资一直以两位数的速率增长，却因劳动生产率的提高而使工资成本实际下降，因而并未对经济增长造成损害。
Based on the above, the impact of amplitude coefficient ratio on amplitude-phase Double Differential Space-Time Codes is discussed, and an optimal selection scheme in amplitude coefficient is given.
在此基础上，讨论了幅度系数比对幅度相位双差分空时码的影响，并给出了一种最佳的幅度系数选择方案。
Double tidal sheath structure, improve the cable-side pressure, impact resistance.
双护套结构挡潮，提高了光缆抗侧压、抗冲击性能。
Chain device USES caterpillar chain, and chain plate adopts double circular and single circular arc form two, which is impact resistance, wear-resisting, no leakage.
链条装置采用履带链条，链板采用双圆弧和单圆弧两种搭接形式，抗冲击，耐磨顺，不漏料。
The paper researched on the rule of impact response for double taper-column shell structure with stiffening ribs subjected to underwater explosion.
研究了加肋锥柱双层壳结构在水下爆炸作用下冲击响应的规律。
If not supported by Global Fund health programs, some of the most vulnerable populations in the world will feel double or triple the impact of this international economic crisis.
如果全球基金的健康项目得不到支持，在这个世界上一些最脆弱的人口将对目前的世界性的经济危机增加一倍或两倍的影响。
By changing a few minds you can double, triple, or even more greatly increase your positive impact on the world.
通过改变一些人的想法，你就可以双倍地、三倍地、甚至更多地对这个世界做出正面影响。
Its impact on the employment of Chinese youth is also double in effect: the function of the employment creation and substitution.
对我国青年就业的影响，也有两方面的效应：就业的创造效应和就业的替代效应。
In order to solve the double moral hazard problem due to incomplete information, an impact on the performance of supply chain by buy-back contract was studied.
针对信息不对称所产生的双重道德风险问题，研究了业界广泛使用的产品回购合约对供应链整体绩效的影响。
By our new way of double aging, on which we have done research since 2002, the impact fatigue life can be prolonged by 35.
在抗张强度没有明显降低的条件下，新创立的双时效比正常时效的冲击疲劳寿命与动态断裂韧性分别延长和提高了35 。
The improved project mentioned in this paper can effectively enhance the crashworthiness of this double-decker coach, and also provides the effective way to improve the bus' frontal impact safety.
所采用的改进方案可有效提高双层公路大客车的耐撞性，为改善大客车正面碰撞安全性提供了行之有效的途径和方法。
The invention provides a formed optical forming body with small double refraction and excellent transparency and impact endurance test resistance.
本发明提供成型后的双折射小、且透明、耐冲击性优异的光学成型品。
The invention provides a formed optical forming body with small double refraction and excellent transparency and impact endurance test resistance.
本发明提供成型后的双折射小、且透明、耐冲击性优异的光学成型品。
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