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21. | substantially reduced industrial and chemical pollution from point sources (i.e., a clearly identifiable source |
| 描述:在过去的30多年来,美国显著地降低了工业和化学的点源污染,点源即可清楚确定的源头,如排水管道等。 |
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22. | You can record up to30 seconds from an audio source such as a CD, MD or MP3, and play it back repeatedly |
| 您可以录制长达30秒,从音源如CD,海事或MP3音乐,和重放反复(路)速度较慢的速度,而不改变足球场. |
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23. | "Machines that receive their input energy from a natural source (such as air currents, moving water, |
| 机械从自然资源(如气流、流水、煤、石油或铀)接收能量,将之变换为机械的能量,此即所谓的原动机,例如风车、水轮、涡轮机、蒸汽机、内燃机。 |
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24. | Claiming the income was acquired from a non-taxable source such as a loan or a gift (especially if the |
| 3. 主张财产是通过免税途径取得的,比如贷款和赠与(尤其是当赠与人居住在海外或已经死亡从而不能被交叉质证)。 |
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25. | For example, one cannot bring out any of its mass, or receive a reflection back by shining a light source |
| 举例来说,不能够带走它任何的质量,或藉由照耀例如一个手电筒的一个光源接受反射回来的光,或取回有关已经进入黑洞的物质任何资讯。 |
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26. | the first production line with20,000 tons/ year capacity which using agricultural material of starch source |
| 宿州生化拥有我国第一条以玉米等淀粉质农作物为原料生产2万吨/乙烯、氧乙烷、二醇的生产线,是生物高技术企业。 |
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27. | "Ohm's law may also be expressed in terms of the electromotive force E of an electric energy source, |
| 欧姆定律也可以用电源(如电池组)的电动势E来表示电压,例如,I=E/R;如交流电。电阻和电抗的组合作用称为电阻抗Z,欧姆定律是适用的。例如,V/I=Z。 |
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