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- It has been proved that the practice can only do good. 事实证明这样做只有好处。
- It has been proved that failure is the mother of success. 事实证明失败是成功之母。
- It has been proved that she can be relied on in danger. 这证明,在危急关头,她可以信赖。
- It has been proved that water retains heat much longer than air. 业已证明,水保持热量的时间要比空气长久。
- Eg. It has been proved that ordinary iron and steel corrodes in moist air. 已经证实,普通的钢铁在潮湿的空气里会腐蚀。
- For example, it has been proved that births do not increase, but dog bites do. 举例说来，出生率已证实不会提高，而狗咬的案例则会。
- It has been proved that induced voltage causes a current to flow in opposition to the force producing it. 已经证明,感应电压使电流的方向与产生电流的磁场力方向相反。
- It has been proved that the performance of this technology is distinctly better than routine alg... 经实践表明,该技术的压缩性能明显优越于常规的无损压缩算法,并且整个过程实现简单、实时性好。
- It has been proved that listening to simple, happy has a good effect onA) cows.B) workers.C) customers. 但听音乐对工人、顾客和利润有没有正面的效应，并没有得到科学的验证。
- It has been proved that errors caused by ray-beam hardening can be eliminated by using image subtraction method. 实践表明，采用图象减法技术则有助于消除光束硬化现象造成的误差。
- It has been proved that the method is simple,speedy,precise and accurate,as well for samples with low content of TDI. 该方法操作简便、快速、精密度好、准确度较高,对TDI含量较低的样品,也能较好地满足要求。
- It has been proved that，by human capital theory，human resource greatly energizes the growth of modern economic. 人力资本理论证明：人力资源是现代经济增长的主要动力和源泉。
- It has been proven that FP-growth algorithm is better than Apriori algorithm. 实验和研究证明FP-growth算法优于Apriori算法.
- It has been proved that violence on television is a contagion affecting the growth of children. 事实证明，暴力电视节日对儿童的成长有不良影响。
- It has been proved that the wavelet packet de noising is an effective method prior to wavelet de noising. 仿真结果表明 ,基于平均阈值的小波包去噪是一种有效的去噪方法 ,其效果优于小波去噪
- It has been proved that a large amount of reduced sulfur is necessary for the formation of porphyry copper deposit. 第二期富含还原硫流体的加入,是西范坪斑岩铜矿床形成的重要控制因素之一。
- It has been proved that the practice can only do good and can do no harm whatsoever. 证明只有好处，毫无害处。
- It has been proved that high Cr cast iron rolls are fit for fin ishing mill of 1549 hot strip mill of Tisco. 介绍了高铬轧辊化学成分和生产工艺,实际使用证明高铬轧辊适合太钢1549热连轧精轧机组。
- It has been proved that even the most carefully finished metal surface is not truly flat. 已经证明,甚至用最精密的方法加工的金属表面也不是真正平的。
- It has been proved that the Hope Project is quite successful, and a lot of children have returned to school. 希望工程已经被证明是相当成功的,许多失学儿童又返回了学校。
