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。
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。
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。
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。
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。
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。
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。
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 impact vibration is one of the key factors of affecting the walking stability of a humanoid-robot at double-to-single support time.
双单脚支撑转换时的冲击振动是影响仿人机器人稳定行走的重要因素。
At the same time, it is like a double-edged sword for China's positive role in the economy also has its negative impact.
同时，它也犹如一把双刃剑，对我国经济产生积极作用的同时也有其负面影响。
The invention relates to a reduction gearbox of an electric tool, in particular to an assembling structure of double-speed impact electric drill gear reduction gearbox.
本发明涉及一种电动工具的减速箱，具体地说是一种双速冲击电钻齿轮减 速箱的装配结构。
The invention relates to a reduction gearbox of an electric tool, in particular to an assembling structure of double-speed impact electric drill gear reduction gearbox.
本发明涉及一种电动工具的减速箱，具体地说是一种双速冲击电钻齿轮减 速箱的装配结构。
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