field of investigation meaning in Chinese

调查范围
研究领域

Chemical carcinogenesis in culture has proved to be a much more difficult field of investigation than viral carcinogenesis .
在培养内化学致癌已证明是一个比致癌困难得多的研究领域。
Field of investigation : undertaking researches for applications of computer technology in power networks , and the information development plans
研究领域：从事计算机技术在电网中应用、信息化发展规划的研究。
To the wisest and most careful men in our greatest institutions of science and learning i have gone asking each in this turn to forecast what , in his opinion , will have been brought in his own field of investigation before the dawn of 2001
对于那些在著名科学和研究学院里聪明而审慎的人们，我想问他们，在他们的研究领域里，这些预言将会为2001年的到来带来什么？