| 1. | An pre - learning inspection of microcosmic concepts of matter of senior middle school students
针对高中生有关物质结构的前科学概念的探查研究 |
| 2. | More than a decade ago it was found that total sleep deprivation in rats leads to death
10多年前科学家就已经发现，完全剥夺大鼠的睡眠会造成大鼠死亡。 |
| 3. | On the base of investigation , the trait , types and sources of conceptions are discussed
并在数据分析的基础上，探讨了学生产生前科学概念的来源及其特点。 |
| 4. | Scientists have known for years that s . i . v . has been found in chimpanzees living in captivity
多年前科学家就知道了在被关的黑猩猩上发现的类人猿免疫缺陷病毒。 |
| 5. | Therefore , some years ago scientists started to consider an alternative source of electrical energy - sunlight
因此，多年前科学家开始考虑一种电能的其他选择来源?阳光。 |
| 6. | Thirty years ago scientists predicted that we would run out of the three main fossil fuels : coal , oil and gas
30年前科学家预言过，我们将耗尽3种主要矿物燃料：煤、石油和天然气。 |
| 7. | Scientists have known for decades that male lab mice produce high - frequency sounds - when they pick up the scent of a female mouse
几十年前科学家们就知道，当实验室中的雄性老鼠闻到雌性老鼠的气味时，会发出高频率的声音。 |
| 8. | Scientists have known for decades that male lab mice produce high - frequency sounds - undetectable by human ears - when they pick up the scent of a female mouse
几十年前科学家们就知道，当实验室中的雄性老鼠闻到雌性老鼠的气味时，会发出高频率的声音，这种声音人耳通常是无法察觉的。 |
| 9. | Reichenbach ' s research into the logic of frequency probability indicates that modem science and technology are infiltrated with each other and they have the historical tendency of unification and integration
同时，他对概率逻辑的研究也充分体现了当前科学技术相互渗透并具有统一化、整体化的这一历史必然趋势。 |
| 10. | As the world struggles to cope with the threats raised by the scientific advances of a century ago , a new revolution in the field of biotechnology may have an even more profound impact on the scope and form of future human conflict
当全世界都在努力解决一百年前科学进步所带来的威胁时，生物工程领域的新革命可能对未来人类冲突的规模和形式造成更深远的影响。 |
